UTStarcom iAN-02EX

User Manual
U-SYS IAD101S/101H/102H/104H Integrated

Access Device Table of Contents
Table of Contents
Chapter 4 MGCP Service Configuration......................................4-1

4.1 Planning Data.....................................................................4-1
4.2 Process of Data Configuration ...........................................4-4
4.2.1 Configuring IP address of the IAD...........................4-5
4.2.2 Configuring Domain Name of MG for Registration..4-6
4.2.3 Configuring MGC Information..................................4-7
4.2.4 Configuring MG Authentication Information ............4-9
4.2.5 Configuring Signaling Port Number of MG............4-11
4.2.6 Configuring the Signaling Port Number of the MGC
Server .............................................................................4-12
4.2.7 Configuring DNS....................................................4-12
4.3 Configuration Examples ...................................................4-13
4.3.1 Before Configuration .............................................4-14
4.3.2 Configuring Voice Service .....................................4-15
4.3.3 Configuring Voice Added Value Service ...............4-19
4.3.4 Configuring Data Service ......................................4-20
4.3.5 Configuring One Set Two Number ........................4-23
Huawei Technologies Proprietary
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User Manual
U-SYS IAD101S/101H/102H/104H Integrated Chapter 4 MGCP Service
Access Device Configuration
Chapter 4 MGCP Service Configuration
IAD101S/101/102/104H realizes MGCP and SIP services

through different software.
This chapter introduces how to configure data of the

IAD101S/101/102/104H. After reading this chapter, you can configure
MGCP service of it.
Note:
In this manual, the IAD is taken as an MG and the SoftSwitch is taken
as an Media Gateway Controller (MGC).
For the configuration of SIP service, refer to “Chapter 5 SIP Service
Configuration”.
4.1 Planning Data

Before configuring data, you shall plan the data of the IAD, such
as IP addresses of it and related servers. Because the IAD
interconnection with the MGC, you shall also plan the data for the
interconnection between them.
Table 4-1 lists IP addresses to be planned
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Table 4-1 IP address allocation
Item Remarks
It can be static mode, DHCP mode or

IP address of the IAD
PPPoE mode.
IP address of the default

By default, the gateway is an L3
upstream gateway of the
router or a low end router.
IAD
In this manual, the SoftSwitch is

IP address of the MGC
taken as an example of the MGC.
NMS is the network management

IP address of the NMS system that runs IAD management
system (IADMS).
IP address of the DNS DNS is the domain name server.
SNTP indicates the Simple Network

IP address of the SNTP
Time Protocol server.
Loghost is the host used for

IP address of the Loghost
generating and storing logs.
Note:
In Table 4-1, IP addresses of NMS, DNS, SNTP, and Loghost are
optional. If a server is not configured in the IAD101S/101/ 102/104H,
the corresponding IP address is unnecessary.
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When the IAD interconnects to the MGC, you need to plan

parameters listed in Table 4-2.
Table 4-2 Parameters for interconnection with the MGC
Data need to be Data need to be configured on

configured on the IAD the MGC
IP address of the IAD IP address of the IAD

IP address or domain name IP address or domain name of the
of the MGC MGC
Domain name of the IAD Domain name of the IAD
Interface name of the IAD Interface name of the IAD
For details of the usage of Login configuration environment and

command lines, refer to Chapter 3 Basic Configuration.
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Stage Description Reference
Configure IP address of the

1 4.2.1
IAD.
Configure the domain name of
2 4.2.2
the MG.
Configure the IP address of the

3 4.2.3
MGC.
Configure authentication of the
4 4.2.4
MG.
Configure the signaling port

5 4.2.5
number of the MG.
Configure the signaling port

6 4.2.6
number of the MGC server.
8 Configure the DNS. 4.2.7
4.2 Process of Data Configuration

Table 4-3 lists process of data configuration.
Table 4-3 Process of data configuration
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Note:
In Table 4-3, Steps 1-3 are mandatory. In other steps, keep defaults of
parameters.
4.2.1 Configuring IP address of the IAD
In the global config mode, configure an IP address of the IAD.
Commands:
To... Use...
Configuring a fixed IP address:

ipaddress static ip-address net-mask
gateway-ip
Configuring the IAD to obtain an IP address

automatically:
Configure an IP
ipaddress dhcp
address of the IAD.
Configuring the IAD to obtain an IP address
by PPPoE dialup:
pppoe username usermane password
password
ipaddress pppoe { disable | enable }
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IP address of the IAD must be configured. After being configured,

the IP address can take effect at once without rebooting.
IP address of the IAD can be obtained in three ways:

Configuring a fixed IP address
Dynamically obtained from the DHCP server
Obtained through the PPPoE dialup mode
For detailed configurations, refer to “Chapter 3 Basic
Configuration 3.4 Configuring IP address of IAD”.
4.2.2 Configuring Domain Name of MG for

Registration
You can configure the domain name of the IAD in the global
configure mode by using the following command.
Command Remarks
name: The domain name of the IAD,
containing 1– 60 characters.
TERMINAL(config)#mg The domain name shall be consistent

cp mg-domain-name with that configured on the MGC server.
name
When the device registers in the MGC,
it searches the MGC by domain name. If
the search fails, the device registers in
the MGC by IP address.
Example:
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Configure the domain name of the IAD as iad101.com.
Step Operation
1 Configure the domain name of the MG for registration.

TERMINAL(config)#mgcp mg-domain-name iad101.com
Check configuration.
TERMINAL(config)#display mgcp attribute
=============================================
MGIP MG-PORT MG-DOMAIN-NAME
191.168.208.13 2427 iad101.com
=============================================
MGC-IP1 MGC-PORT1 MGC-DOMAIN-NAME1
0.0.0.0 2727 -
2 =============================================
0.0.0.0 2727 -
=============================================
MG-STATE REGISTERED-MGC
Fault 1
=============================================
AUTH-MODE KEY
Huawei mode -
4.2.3 Configuring MGC Information
You can configure the IP address or domain name of the IAD in

the global config mode by using the following command.
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Command Remarks
index: index of the SoftSwitch in

which the gateway can register,
ranging 1–2
TERMINAL(config)#mgcp
mgc index address str str: containing 1–256 characters. It
can be a domain name or an IP
address. Configure it as a domain
name or an IP address.
Example:
Configure the IP address of the server for registration as

192.168.10.10. The signaling port number is 2727.
Step Operation
Configuring an IP address:
TERMINAL(config)#mgcp mgc 1 address 192.168.10.10
1 { <cr>|port<K> }:
Command:
mgcp mgc 1 address 192.168.10.10
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Step Operation
===============================================
191.168.208.13 2427 iad101.com
===============================================
192.168.10.10 2727 -
2 ===============================================
0.0.0.0 2727 -
===============================================
Fault 1
===============================================
AUTH-MODE KEY
Huawei mode -
4.2.4 Configuring MG Authentication Information
To prevent illegal MG from registering on the MGC, start

registration authentication on the MG.
To… Use…
Configure the
TERMINAL(config)#mgcp authentication
authentication
gb-mode {mgiD | mgkI }
mode to GB.
Configure the
TERMINAL(config)#mgcp authentication
authentication
hw-mode key keyword
mode to HW.
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Note:
HW authentication mode is a private authentication procedure of
Huawei. GB authentication mode is defined by Ministry of
Information Industry.
When the Encryption Algorithm of the SoftX3000 is MD5, you need
to configure the authentication mode of the interconnected IAD to
HW mode. When the Encryption Algorithm of the SoftX3000 is DH,
you need to configure the authentication mode of the
interconnected IAD to GB mode.
Example:
Configure the IAD to register in the call server in HW mode. The

registration key configured on the server is iad101register.
After configuration, query the result.
Step Operation
Configure the authentication mode to HW as well as the

authentication key.
1 TERMINAL(config)#mgcp authentication hw-mode key
Please input your keyword<1~16
characters>:**************
Please input again:**************
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Step Operation
===============================================
191.168.208.13 2427 -
===============================================
0.0.0.0 2727 -
2 ===============================================
0.0.0.0 2727 -
===============================================
Fault 1
===============================================AU
TH-MODE KEY
Huawei mode *******
4.2.5 Configuring Signaling Port Number of MG
By default, the protocol port number of the Transport Layer of the

MG device is 2427. To change it, use the following command:
Command Remarks
TERMINAL(config)#mgcp mg-port port: port number. By

port default, it is 2427.
The default port number is suggested.
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4.2.6 Configuring the Signaling Port Number of the

MGC Server
By default, the number of the Transport Layer protocol port of the

MGC server is 2727. To change it, use the following command:
Command Remarks
index: index of the MGC server

TERMINAL(config)#mgcp mgc
index port port port: number of the Transport
Layer protocol port
The default port number is suggested.
4.2.7 Configuring DNS
After enabling the DNS client, the IAD can access other network
devices by domain name.
Commands:
To… Use…
Set the domain TERMINAL(config)#dns domain-name

name of the DNS. name
Set the IP address TERMINAL(config)#dns server first

of the DNS server. { second | third }
Example:
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Start the DNS client on the IAD.
Configure the domain name of the DNS domain as tele.com and

the IP address of the DNS server as 210.11.123.13.
Step Operation
1 Set the domain name of the DNS.

TERMINAL(config)#dns domain-name tele.com
Set the IP address of the DNS server.
TERMINAL(config)#dns server 210.11.123.13
2 { <cr>|<I> }:
Command:
dns server 210.11.123.13
TERMINAL(config)#display dns
-----------------------------------------------
3 DNS suffix:tele.com
Server address:
Main DNS Server.............: 210.11.123.13
-----------------------------------------------
4.3 Configuration Examples

The IAD provides VoIP service. In the case of normal network
connections, the IAD can provide VoIP service as long as it registers in
the MGC server, such as the SoftSwitch successfully.
The IAD provides data services too. You can surf on net by
connecting the LAN port to your PC.
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The following lists examples about configuring data and voice

services.
4.3.1 Before Configuration
Networking is shown as the following figure:
NMS
DNS
210.11.123.33
210.11.123.13
MGC
210.11.180.18
WAN
IAD
MGC 10.70.33.62
P
10.70.33.60
Figure 4-1 Networking
Table 4-4 lists IP addresses to be planned.
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Table 4-4 IP address allocation
Item Value
IP address of the IAD 10.70.33.62
IP address of the default upstream

10.70.33.60
gateway of the IAD
IP address of the MGC 210.11.180.18
IP address of the NMS, namely

210.11.123.33
IADMS
IP address of the DNS 210.11.123.13
Domain name of the IADMS huawei.com
4.3.2 Configuring Voice Service
Complete the following configurations to realize VoIP service.
I. Configuring IP address
Example:
Configure the fixed IP address of the IAD as 10.70.33.62, and

subnet mask as 255.255.0.0, while default gateway as 10.70.33.60.
TERMINAL(config)#ipaddress static 10.70.33.62 255.255.0.0
10.70.33.60
Changing net parameter may affect current service,
continue?[Y|N]:y
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--------------------------------------------------
DNS Domain Name...............: my.domain
Physical Address..............: 00-e0-fc-15-64-18
IP Address Get Method.........: Static IP config
esw (unit number 3):
Flags: (0x68243) UP BROADCAST MULTICAST ARP RUNNING
IP Address..................: 10.70.33.62
Subnet Mask.................: 255.255.0.0
Default Gateway.............: 10.70.33.60

IP Address..................: 192.168.100.1
Subnet Mask.................: 255.255.255.0
--------------------------------------------------
II. Configuring domain name of the IAD
Domain name: huawei.com

MG interface name: aaln
Signaling port number: default
TERMINAL(config)#mgcp mg-domain-name huawei.com
III. Configuring the IP address of the MGC server
IP address of the MGC: 210.11.180.18

Protocol port number: default
TERMINAL(config)#mgcp mgc 1 address 210.11.180.18
{ <cr>|port<K> }:
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Command:
mgcp mgc 1 address 210.11.180.18
=======================================================
172.21.100.24 2427 huawei.com
=======================================================
210.11.180.18 2727 -
=======================================================
0.0.0.0 2727 -
=======================================================
Fault 1
=======================================================
AUTH-MODE KEY
Huawei mode -
IV. Configuring the system time
Set the time to 2005-04-23/11:55:00.

TERMINAL(config)#time 11:55:00 2005-04-23
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V. Starting the DNS client
Start the DNS client on the IAD.
Configure the domain name of the DNS domain as tele.com and

the IP address of the DNS server as 210.11.123.13.
TERMINAL(config)#dns domain-name tele.com
TERMINAL(config)#dns server 210.11.123.13
{ <cr>|<I> }:
Command:
dns server 210.11.123.13
TERMINAL(config)#display dns
-------------------------------------------------------
user config:
DNS suffix:tele.com
Main DNS Server.............: 210.11.123.13
Secondary DNS Server........:
config protocol get:
DNS suffix:my.domain
Main DNS Server.............: 192.168.0.6
Secondary DNS Server........:
VI. Adding an IADMS workstation
Configure the IP address of the IADMS workstation to

210.11.123.33.
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TERMINAL(config)#nms primary 210.11.123.33

{ <cr>|secondary<K> }:
Command:
nms primary 210.11.123.33
primary IP 210.11.123.33
config succeed
Set the IAD to register in the IADMS when the IAD starts.
TERMINAL(config)#nms access on
config succeed
VII. Saving configuration data
After data configuration, use write to save data.

TERMINAL#write
Command executing, please wait...
System starts to save configuration data, please wait a
moment......
The configuration data backup percent is: 100%
IAD2000(config)#
4.3.3 Configuring Voice Added Value Service
IAD supports voice added value services, including: Three-Party

service, Conference Call, Call transfer, Caller Identification Display
and Advice of Charge at the End of Conversation. These services can
be realized without any configurations. That is, they can be
implemented by following the descriptions in 4.3.2 Configuring Voice
Service and subscribing these services from the carrier.
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4.3.4 Configuring Data Service
I. Surfing on net
In non-NAT mode, the IAD enables you to surf on net. In this case,
the IAD works as a hub.
To surf on net by using the IAD, follow these steps:

1) Connect cables well.
2) Configure the IP address of the IAD.
3) Start your PC.
You can surf on net through LAN port or by using a Modem
through PHONE port. The connections are as shown in Figure 4-2.
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Figure 4-2 Connections of internet services
II. Fax
By default, the IAD enables fax service.
You need to select fax mode.
Under the global configuration mode, use display mgcp

soft-parameter to check the fax mode. It is t38v3 by default.
Connect the devices referring to Figure 4-3.
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Upstream
network port
FAX
Figure 4-3 Networking of fax service
Note:
If you want to change fax mode, refer to “Appendix A Advanced
Configuration A.1.3 Configuring MGCP User Fax Mode”. It is
recommended to contact the carrier when you perform this operation.
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4.3.5 Configuring One Set Two Number
Caution:
One Set Two Number function is supported only by IAD101/102H, but

not supported by IAD101S or IAD104H.
With the One Set Two Number function, you can switch VoIP
service to PSTN service.
By default, the IAD provides VoIP service. You can set a number
which is used to switch VoIP service to PSTN service.
Example: Set a prefix for two stage dialing. That is, after picking
up the handset, you will hear dialing tone twice. After you pick up the
handset and hear the first dialing tone, dial 0000 for switch. After you
hear the second dialing tone, dial the phone number of the called party.
The PSTN call is made.
Set a prefix for one stage dialing. That is, phone numbers whose
prefixes are the same as the prefix for one stage dialing can be dialed
out. For example, the prefix for one stage dialing is 3654 and the
phone number contains 8 digits. After you pick up the handset and
hear the first dialing tone, dial 3654, and then dialing the called
number, such as 36547155. The PSTN call is made.
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The PSTN switch mode decides how to switch to the PSTN.

Manually: After the VoIP network is broken, you need to
configure the IAD to switch to the PSTN.
Automatically: The IAD switches to the PSTN automatically.
Commands:
To… Use… Remarks
Set a prefix and prefix: prefix for

the length of a one-stage dialing
TERMINAL(config)#pstn
phone number
prefix prefix length length length: length of
for PSTN one
stage dialing. a called number
Set the number switchkey: dialed

used to switch TERMINAL(config)#pstn number used to
to PSTN two switchkey switchkey switch to two
stage dialing. stage dialing
auto: automatic
TERMINAL(config)#pstn switch
Set the PSTN
switchmode { auto |
switch mode. manual: manual
manual }
switch
Delete prefixes
for PSTN one prefix: Delete the
stage dialing specified prefix.
TERMINAL(config)#undo
according to
pstn prefix {prefix | all } all: Delete all
the specified
prefix or delete prefixes.
all prefixes.
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For example: Configure PSTN as automatic switch mode, the

prefix for two-stage switch is 1111.
Procedure Operation
Configure automatic switch mode:

1 TERMINAL(config)#pstn switchmode auto
Execution of command succeeded
Configure prefix for two-stage switch:
2 TERMINAL(config)#pstn switchkey 1111
Execution of command succeeded
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Table of Contents
Chapter 5 Troubleshooting...........................................................5-1
5.1 Common Fault-locating Means ..........................................5-1
5.1.1 Showing Important System Information ..................5-1
5.1.2 Showing Alarms.......................................................5-6
5.1.3 Capturing Network Packets.....................................5-8
5.1.4 Tracing Signaling.....................................................5-8
5.2 Common Troubleshooting..................................................5-9
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Access Device Chapter 5 Troubleshooting
Chapter 5 Troubleshooting
This chapter includes two parts:

It introduces common means of locating faults so that you
can master simple fault-locating methods
It then gives some examples on faults of the IAD for your
reference.
5.1 Common Fault-locating Means
5.1.1 Showing Important System Information
I. Showing version
Obtaining the software version of the IAD is the basis of locating

its faults.
If the software is not the latest version, some of its problems may
have been solved in a subsequent version. In this case, you can locate
some problems from the version number and get corresponding
solutions.
By using display version in the user mode, you can query the
software and hardware version of the IAD.
TERMINAL#display version
Equipment type : IAD101H
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PCB version : AG31VPPB VER.B

Software version : TS0401V300R001B01D030
BIOS version : 101
SLIC version : N/A
DSP version : N/A
II. Showing MG status
Once there is a system fault leading to service failure, you need

to first check MG configuration and ensure the IAD registers in the call
server successfully. If the MG-STATE item is Fault, it indicates
registration failure. Check the network connections or device
configurations.
In the privilege mode, you can use display mgcp attribute to

query the MG status.
TERMINAL#display mgcp attribute
=======================================================
172.21.100.131 2427 huawei.com
=======================================================
210.11.180.18 2727 -
=======================================================
0.0.0.0 2727 -
=======================================================
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Fault 1
=======================================================
AUTH-MODE KEY
Huawei mode *******
TERMINAL#
III. Showing system time
In the privilege mode, you can use display time to show when
the system is reset and restarted.
TERMINAL#display time
Current date: 2005-04-24
Current time: 12:57:00
TERMINAL#
IV. Showing IP address
In the user mode, you can use display ipaddress to query IP

address of the IAD.
TERMINAL#display ipaddress
--------------------------------------------------
DNS Domain Name...............: tele.com
Physical Address..............: 00-e0-fc-a8-d0-0d
IP Address Get Method.........: Static IP config
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IP Address..................: 172.21.100.131
Default Maintain IP Address.: 192.168.100.200
Subnet Mask.................: 255.255.0.0
Default Gateway.............: 0.0.0.0

IP Address..................: 192.168.1.1
Subnet Mask.................: 255.255.255.0
DNS Servers...................:
Main DNS Server.............: 210.11.123.13
--------------------------------------------------
V. Showing RTP statistics
In the global configuration mode, you can use display rtp state
to show information on media stream.
Only when the IAD is used for making a phone call, you can use
display rtp state to show status of RTP channels.
TERMINAL#display rtp status
Port Rtp chn index Rtp chn status Remote
ip address
0 0 Chan is open 191.168.200.27
Local udp port Remote udp port Recv pkt len(ms) Send
pkt len(ms)
55000 50004 20 20
Code type Decode type Recv pkt num Recv
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byte num
g711u g711u 6843 1176996
Send pkt num Send byte num Loop delay(ms) Pkt
LossRate
3048 496860 0 0.0/100Jitter(ms)
Peer pkt LossRate Peer jitter(ms) If spt 2833
2 0.0/100 0 0
2833 PT If spt 2833 eny 2833 HNC1 key
0 0
Table 5-1 lists results about using display rtp status.
Table 5-1 Parameters in the result
Item Description
Recv (Send) pkt It equals call duration (second) x

num 1000/length of packet received (sent).
0: G.711u
4: G.723 high
Code type 8: G.711A
18: G.729
20: G.723 low
In good network conditions, the jitter is

Jitter
usually lower than 30ms.
Query many times, and the difference

Pkt LossRate between numbers of sent packets and
received packets is stable.
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5.1.2 Showing Alarms
Alarm information is part of the history records on device

operation.
By analyzing alarm information, you can predict problems that

may arise in the running of the device.
Note that when the IAD is powered off and restarted, the alarm
records saved before will be lost.
You can use display alarm list to show all alarms.
For other commands to show alarms, refer to 5.4 Alarm

Management.
During the running of the IAD, pay attention to the following

alarms.
I. System start alarm
This alarm tells you the system start time and whether the system
was reset while it was running.
The following is an example.

ALARM 4 INFO MAJOR 0x00000336 ----- 2004-08-18 09:37:34
ALARM NAME : device start
PARAS INFO : device start
DESCRIPTION : device start
REASON : none
ADVICE : none
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--- END
II. Interface interruption/recovery alarm
Interface interruption is generally caused by network conditions.
When interface interruption occurs, no phone calls can be made.

If you hear busy tone or no tone after off-hook, you need to first check
if there is an interface interruption alarm.
If multiple IAD devices in the same area generate interface

interruption alarms almost at the same time, the problem is usually
caused by the bearer network.
It is normal that each system startup is accompanied by an

interface recovery alarm.
The following is an example.

ALARM 5 RESTORE MAJOR 0x00170105 COMMUNICATION
2004-08-18 09:38:03
ALARM NAME : MG interruption restoration
PARAS INFO : MG ID: 0
DESCRIPTION : MG restore
REASON : MG is normal
ADVICE : None
--- END
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5.1.3 Capturing Network Packets
To locate faults in a VoIP device by capturing packets, Huawei

recommends ethereal, a free tool.
All IAD signaling and voice data are carried on User Datagram
Protocol (UDP). The protocol stack architecture is as shown in
Table 5-2. The key protocols are RTP and MGCP.
Table 5-2 UDP stack
Telnet remote
Voice Call control
maintenance
Telnet RTP RTCP MGCP
TCP UDP
IP
MAC
5.1.4 Tracing Signaling
You can use the following commands to trace signaling:
To… Use…
Enable signaling trace

TERMINAL#trace {<portnum> | all }
of ports.
Trace information TERMINAL(diagnose)%%mgcp trace
about MGCP ports. { <port> | all } [{ event | signal }]
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5.2 Common Troubleshooting
I. The PWR indicator is off.
Use the dedicated power adapter and ensure the input

voltage of the power adapter is proper.
If the power adapter is proper and works normally, the cause
lies in the IAD. In this case, change the IAD.
II. The Ethernet port cannot work.
Check WAN or LAN indicators. If they are on, check

software configuration of the device. If they are off, check
network port connections.
Use straight through network cables in good condition. If the
LAN indicator is off, the hardware is damaged. Contact the
distributor. If the LAN indicator is on, the hardware is normal.
In this case, check other connecting devices.
Ensure the WAN port is connecting to an upstream device
and the LAN port is connecting to a downstream device,
such as a computer.
III. The phone connecting to the PHONE port does not work
normally.
Check the PHONE indicator. In the following cases, the IAD

works normally. On: offhook; off: onhook; blinking: ringing
If the IAD works normally, the cause lies in hardware. In this
case, change the IAD.
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Table of Contents
Appendix A Advanced Configuration......................................... A-1

A.1 Configuring MGCP............................................................ A-1
A.1.1 Configuring PHONE Attributes............................... A-1
A.1.2 Configuring MGCP Fax Mode................................ A-6
A.1.3 Configuring Software Parameters.......................... A-7
A.1.4 Configuring MGCP Parameters ........................... A-11
A.2 Configuring Parameters of LAN Switch.......................... A-13
Appendix B Default Values .......................................................... B-1
Appendix C System Configuration ............................................. C-1
Appendix D Acroynms and Abbreviations................................. D-1
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U-SYS IAD101S/101H/102H/104H Integrated Appendix A Advanced
Appendix A Advanced Configuration
This chapter introduces advanced configuration.
You can keep defaults for advanced configuration. The service

provisioning will not be affected.
Advanced configuration includes

Configuring MGCP
Configuring SIP
Configuring Parameters of LAN Switch
A.1 Configuring MGCP

Advanced configuration includes:
Configuring PHONE attributes
Configuring MGCP Fax Mode
Configuring Software parameters
Configuring MGCP parameters
A.1.1 Configuring PHONE Attributes
The PHONE port attributes include:

The volume which can be sent and received by the PHONE
user
Whether pulse dialing is permitted at the PHONE port
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User Manual
Whether to provide polarity reversal charging at the PHONE

port
Commands:
To… Use…
TERMINAL(advanced-config)#pstnport
attribute batset portid endportid
Set PHONE port
{ pole<Normal,Reverse> |
attributes in batches.
pulse-dial<Enable,Disable> |
voicegain<0,8> }
TERMINAL(advanced-config)#pstnport
attribute set portid
Set attributes of a
{ pole<Normal,Reverse> |
PHONE port.
pulse-dial<Enable,Disable> |
voicegain<0,8> }
Table A-1 lists parameters about PHONE port attributes.
Table A-1 Parameters about PHONE ports
Item Description
portid User port number
The end port number in the batch-adding

commands
endportid
The start port number cannot be greater than the
end port number.
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User Manual
Item Description
The gain type of the PHONE user, ranging 0 to 8

voicegain The value of this parameter represents the voice
volume sent and received at the PHONE port.
Whether to permit pulse dialing at the PHONE port

pulse-dial The value can be “enable” or “disable”.
Default is “disable”.
Whether the PHONE port provides polarity

reversal function
pole
The value can be “normal” or “reverse”.
Default is “reverse”.
I. Configuring Polarity Reversal Charging
Polarity reversal charging is a way to realize real-time charging of

subscribers.
When a conversation starts or stops, the MGC sends charging

signaling to the IAD, and then the IAD sends polarity reversal pulse to
the charging terminal.
If the IAD coordinates with the MGC to send the polarity reversal
signal, either the IAD or the MGC can be configured to control the
polarity reversal signal.
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User Manual
Caution:
When the IAD is set to control the polarity reversal charging signal, the
subscriber polarity reversal parameter of the MGC shall be set to “no”.
Otherwise, there will be repeated charging.
Configure the attributes of No. 0 port:

Set the gain type of the PHONE user to 6.
Enable pulse dialing and polarity reversal charging at the
PHONE port.
Step Operation
Configure PHONE port attributes.

1 TERMINAL(advanced-config)#pstnport attribute set 0
6 enable reverse
TERMINAL(advanced-config)#
TERMINAL(config)#display pstnport attribute
{ <cr>|<U><0,0> }:0
Command:
display pstnport attribute 0
2 -----------------------------------------------
Port Port Gain( dB ) Pulse
Dial Polarity
-----------------------------------------------
0 Sending gain 3.5, receiving gain 0 Enabled
Reversal
-----------------------------------------------
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User Manual
II. Configuring Send and Receive Gains at PHONE Physical

Port
The send and receive gains at the PHONE physical port of the
IAD are adjustable in order to enhance the volume of the talk.
IAD supports nine kinds of voice gain settings, as listed in

Table A-2.
Table A-2 Voicegain settings
Value Send gain (dB) Receive gain (dB)
0 0 3
1 0 -3.5
2 0 3.5
3 -3.5 0
4 -3.5 -3.5
5 -3.5 3.5
6 3.5 0
7 3.5 -3.5
8 3.5 -3.5
Example:
Set the send and receive gains at No. 0 port to 2.
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User Manual
Step Operation
Configure send and receive gains at No.0 port to 2.

TERMINAL(advanced-config)pstnport attribute set 0 2
{ <cr>|pole<E><Normal,Reverse>|pulse-dial<E><Enab
1 le,Disable> }:
Command:
pstnport attribute set 0 2
Check configuration:
TERMINAL(config)#display pstnport attribute 0
---------------------------------------------
Port Port Gain( dB ) Pulse
2 Dial Polarity
---------------------------------------------
0 Sending gain 0, receiving gain 3.5 Enabled
Reversal
---------------------------------------------
A.1.2 Configuring MGCP Fax Mode
IAD supports t38 mode by default. Under advanced configuration

mode, use mgcp soft-parameter fax-mode command to configure
the fax mode.
For example, the commands of configuring fax mode as “711” are

as follows:
TERMINAL(advanced-config)#mgcp soft-parameter fax-mode
711v2
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User Manual
{
<cr>|mgc-type<K>|register-mode<K>|hold-flag<K>|cw-tone-
mode<K> }:
Command:
mgcp soft-parameter fax-mode 711v2
A.1.3 Configuring Software Parameters
The IAD provides the function of dynamic querying and

configuring software parameters.
The system software parameters can be configured to adjust the

noise, echo, jitter, and loudness of voice, the transmission mode of
Fax/Modem, and the type of the MGC which network with the IAD.
Commands:
mg: The IAD plays

announcement.
By default, the MG
Configure call TERMINAL(advanced-confi plays
waiting tone g)#mgcp soft-parameter announcement.
mode. cw-tone-mode {mg | mgc }
mgc: The
SoftSwitch plays
announcement.
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User Manual
711v2 / t38v2/
TERMINAL(advanced-confi t38v3: fax
Configure fax g)#mgcp soft-parameter transmission
mode. fax-mode { 711v2 | t38v2 | mode
t38v3} By default, it is
t38v3.
off: When
communication
between the
gateway and the
SoftSwitch
interrupts, the
active call is not
held.
TERMINAL(advanced-confi
Enable/disabl on: When
g)#mgcp soft-parameter
e call waiting. communication
hold-flag {off | on}
between the
gateway and the
SoftSwitch
interrupts, the
active call is held.
By default, call
waiting is
disabled.
A-8
User Manual
softx / zte / Nortel /

cisco / simens /
sonus / etg /
TERMINAL(advanced-confi shangyang: Types
Configure the g)#mgcp soft-parameter of SoftSwitch
SoftSwitch mgc-type { softx | zte | devices which can
type. Nortel | cisco | simens | be supported by
sonus | etg | shangyang } the gateway
By default, the
type is softx.
TERMINAL(advanced-confi
Configure the
g)#mgcp soft-parameter By default, it is
MGCP
mgcpver { MGCP1.0 | MGCP1.0.
version.
NCS1.0 }
wildcard: All user
ports of the MG
register in the
Configure in SoftSwitch by
which mode TERMINAL(advanced-confi using wildcards. It
the gateway g)#mgcp soft-parameter is the default
registers in register-mode { wildcard | registration mode.
the individual } individual : All
SoftSwitch. user ports of the
MG register in the
SoftSwitch one by
one.
Example:
Set the SoftSwitch to play announcement.
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User Manual
TERMINAL(advanced-config)#mgcp soft-parameter
cw-tone-mode
{ mg<E><mg,mgc> }:mgc
{
<cr>|mgc-type<K>|register-mode<K>|hold-flag<K>|fax-mode
<K> }:
Command:
mgcp soft-parameter cw-tone-mode mgc
Example:
Set the fax mode to 711V2.

TERMINAL(advanced-config)#mgcp soft-parameter fax-mode
711v2
{
<cr>|mgc-type<K>|register-mode<K>|hold-flag<K>|cw-tone-
mode<K> }:
Command:
mgcp soft-parameter fax-mode 711v2
Example:
Configure the following:
The active call cannot be held when communication between the

gateway and the SoftSwitch interrupts.
TERMINAL(advanced-config)#mgcp soft-parameter hold-flag
{ on<E><off,on> }:off
{
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User Manual
<cr>|mgc-type<K>|register-mode<K>|fax-mode<K>|cw-tone-m
ode<K> }:
Command:
mgcp soft-parameter hold-flag off
A.1.4 Configuring MGCP Parameters
You can define the MGCP parameters or just adopt the default
values for them.
It is recommended to adopt the default values.
If you are to modify these parameters, use the following

command to operate in the global or advanced config mode.
To… Use…
TERMINAL(advanced-config)#mgcp
Configure MGCP protocol heart-no-reply-threshold
parameters. <value1> max-retran-times <value2>
retran-interval-timer <value3>
Display MGCP TERMINAL(config)#display mgcp

parameters. protocol
Configure MGCP user TERMINAL(config)#mgcp user

data of the specified start-user-port end- user-port
port. epname-prefix terminalid
TERMINAL(config)#display mgcp
Show MGCP user data
user {all | start-user-port
of ports.
end-user-port }
Parameter descriptions:
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User Manual
Item Description
Maximum times for no response to

value1
heartbeat messages
value2 Maximum retransmission times
value3 Maximum retransmission interval
start-user-port Start user port number, ranging 0 to 7
end-user-port End user port number, ranging 0 to 7
Prefix of endpoint name, less than 23

epname-prefix characters
By default, it is aaln.
Terminal ID, less than six 0– 9 digits
terminalid Terminalid and epname-prefix identify a

user end port. Fore example, aaln/0
identifies a user endpoint.
Example:
Configure the following:

Maximum times for no response to heartbeat messages: 2
Maximum retransmission times: 2
Maximum retransmission interval: 2 seconds
TERMINAL(advanced-config)#mgcp protocol
heart-no-reply-threshold 2 max-retran-times 2
retran-interval-timer 2
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User Manual
Example:
Configure the endpoint name of PHONE port of the IAD101H is

aaln/0. This endpoint name shall be consistent with that of the
registered endpoint name configured on the call server.
TERMINAL(config)#mgcp user 0 0 aaln 0
Are you sure reset mg port? [Y/N]:y
TERMINAL(config)#display mgcp user
{ all<K>|<U><0,0> }:all
Command:
display mgcp user all
=======================================================
EndPoint: EndPointName: DomainName:
0 aaln/0
=======================================================
Formatados: Marcadores e
A.2 Configuring Parameters of LAN numeração
Switch
The IAD provides two Ethernet ports:
One WAN port, used as an upstream port
One LAN port, used to access data subscribers
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User Manual
I. Configuring Tag
The IAD inserts 802.1p1q tags to data packets sent by its WAN
and LAN ports. That is, four bytes are inserted behind source MAC
addresses in data packet headers. These bytes include VID and
Priority.
Table A-3lists commands used to configure tags.

numeração
Table A-3 Configuring tags
TERMINAL(lanswitch)#tag id: VALN ID

Configure a
interface { lan | voice } vlanid id priority:
tag.
[ priority priority ] precedence
Delete the u TERMINAL(lanswitch)#ndo

-
tag. tag interface { lan | voice }
Show tag TERMINAL(lanswitch)#display

-
information. interface
In general, the CPU generates voice packets upstream, while

data packets are forwarded from the LAN port to the WAN port.
The command Tag is used to insert tags to data and voice

packets. Upstream devices can distinguish data packets and voice
packets according to tags and forward them according to priority.
In general, priority of voice packets is higher than that of data

packets.
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User Manual
In NAT mode, data packets forwarded from the LAN port to the
WAN port must be forwarded by the CPU. Thus, these data packets
are inserted tags which are the same as those of voice packets.
In non-NAT mode, data packets are inserted tags which are

different from those of voice packets.
Because Tag is used to insert tags to upstream data packets, you

need not configure the WAN port.
Example 1:
Insert tags into data packets received by the LAN port and sent
from the WAN port.
TERMINAL(lanswitch)#tag interface lan vlanid 200 priority 1
After configuration, data packets received by the LAN port are

inserted tags. VID = 200; priority = 1.
To cancel configuration, do as follows:
TERMINAL(lanswitch)#undo tag interface lan
Example 2:
In NAT mode, all data packets upstream pass the CPU. Insert
tags into these data packets.
TERMINAL(lanswitch)#tag interface voice vlanid 300
priority 6
After configuration, data packets sent from the WAN port are
inserted tags. VID = 300; priority = 6.
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User Manual
Example 3:
Insert tags into data packets generated by the CPU and sent from
the WAN port.
TERMINAL(lanswitch)#tag interface voice vlanid 100
priority 7
After configuration, data packets generated by the CPU and sent

from the WAN port are inserted tags. VID = 100; priority = 7.
To cancel configuration, do as follows:

TERMINAL(lanswitch)#undo tag interface voice
After configuration, all data packets generated by the CPU and

sent from the WAN port are not inserted tags.
II. Enabling/Disabling an Ethernet Port
You can use the following commands to enable or disable an

Ethernet port.
wan:
upstream
Disable an network port
TERMINAL(lanswitch)#shutdown
Ethernet
{wan | lan} lan:
port.
downstream
network port
Enable an
TERMINAL(lanswitch)#undo
Ethernet -
shutdown {wan | lan}
port.
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User Manual
Example:
Disable and enable a WAN port.

TERMINAL(lanswitch)#shutdown wan
TERMINAL(lanswitch)#undo shutdown wan
III. Setting Duplex Status of Ports
Full-duplex: The port can send and receive data at the same
time.
Half-duplex: Data packets are transmitted in only one
direction at a time.
Automatic mode: The sender and the receiver negotiates
duplex mode.
Table A-4lists the command used to configure the working mode
of ports.
numeração
Table A-4 Configuring working mode of ports
half | full: half/full

duplex status
Configure By default, it is in
TERMINAL(lanswitch)#duplex
duplex full-duplex state.
{half | full | auto } {wan | lan}
status.
auto:
auto-negotiation
status
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User Manual
Example:
Configure a WAN port to work in auto-negotiation mode.

TERMINAL(lanswitch)#duplex auto wan
IV. Configuring Port Rate
When the port works in auto-negotiation mode, the rate is

negotiated by this port and the opposite port.
Command:
10 | 100 | auto:
Show global network port rate
TERMINAL(lanswitch)#speed
configuration
{10 | 100 | auto} {wan | lan} By default, it is 10
parameters.
Mbit/s.
Example:
Set the rate of No. 1 port to be 100 Mbit/s.

TERMINAL(lanswitch)#speed 100 1
V. Displaying Information about the LAN Port
You can use the following command to display information about

the LAN port.
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User Manual
To… Use…
Show data about TERMINAL(lanswitch)#display interface

ports. [ wan | lan | internal ]
Example:
Display data about a LAN port.

TERMINAL(lanswitch)#display interface lan
Ethernet LAN is link down
auto_negotiation, 10_BASE_TX, HALF_DUPLEX_MODE
The VLAN ID of port is 2
The priority of port is 1
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User Manual
Access Device Appendix B Default Values
Appendix B Default Values
For some parameters, the IAD provides default values.
Table B-1 MGCP
Parameter Default value
The mode about fetching an

DHCP
IP address
MGC address or domain

Null
name
Service authentication Huawei (MD5 private
procedure authentication)
Default IADMS domain

iadms.com
name
Service agreement MGCP
Source MGCP port 2427
Destination MGCP port 2727
Local name of the MGCP

aaln/0
endpoint
MGCP terminal domain

Null
name (NTID)
DTMF transmission 2833
User name and password system/login
B-1
User Manual
Administrator and password root/admin

FTPServer address Null
FTP path . (the current path)
FTP user name and

iadephone/enable
password
Codec Controlled by the SoftSwitch
Silence switch Disable
Table B-2 SIP
The mode about fetching an

DHCP
IP address
Default IADMS domain
iadms.com
name
Service agreement SIP
Default SIP digit map [xABCD*#].t

SIP Server IP address Null
SIP Server port number 5060
SIP Server registration

3600
duration
Local SIP port number 5060
B-2
User Manual
Default SIP user Null

DTMF transmission 2833
User name and password system/login
Administrator and password root/admin
FTPServer address Null
FTP path .(the current path)
FTP user name and

iadephone/enable
password
Silence switch Disable
B-3
User Manual
U-SYS IAD101S/101H/102H/104H Integrated Appendix C System
Appendix C System Configuration
Parameter Index
IAD101S series: 1 POTS user and 1 data user
Maximum IAD101H series: 1 POTS user and 1 data user

User IAD102H series: 2 POTS users and 1 data user
IAD104H series: 4 POTS users and 1 data user
Input/Output Input: 100V ~ 240VAC

Voltage Output: DC 5V (for IAD104H, DC output is12V)
Static: 3.7W, full load:
IAD101S series
4.8W
IAD101H series
Power 4.9W
Consumption Static: 3.8W, full load:
IAD102H series
6.1W

IAD104H series
7.4W
Echo
Cancellation ƒ32ms
Time
Temperature For long-term running: 0°C - 55°C
Relative
For long-term running: 5% - 95%
Humidity
C-1
User Manual
U-SYS IAD101S/101H/102H/104H Integrated Appendix C System
Parameter Index
Air Presure 70 kPa ~ 106kPa
C-2
User Manual
U-SYS IAD101S/101H/102H/104H Integrated Appendix D Acroynms and
Access Device Abbreviations
Appendix D Acroynms and

Abbreviations
3rd Party Server Third Party Server

A
ADSL Asymmetrical Digital Subscriber Loop

APU ADSL Processing Unit
ATM Asynchronous Transfer Mode
B
BHCA Busy Hour Call Attempts

BOOTP BOOT strap Protocol
C
CLI Command Line Interface
CNG Comfort Noise Generation
CSP Control and Signal Processing board
D
DHCP Dynamic Host Configuration Protocol

DNS Domain Name Server
Distributed Object-oriented Programmable
DOPRA
Real-time Architecture
D-1
User Manual
DSL Digital Subscriber Line

DSLAM Digital Subscriber Line Access Multiplexer
DSP Data Signal Processor
DTMF Dual Tone Multi-Frequency
E
EC Echo Cancellation
ETA Ethernet Telephone Adapter
F
FE Fast Ethernet
FoIP Fax over IP
FSK Frequency Shift Keying
FTP File Transfer Protocol
H
H.248 H.248/MECAGO protocol
I
IAD Integrated Access Device
Integrated Access Device Management
IADMS
System
M
MFC Multi-Frequency Control

MGC Media Gateway Controller
MGCP Media Gateway Control Protocol
D-2
User Manual
MGW Media Gateway

MRS Multimedia Resource Server
N
NGN Next Generation Network

NMS Network Management Station
O
OSS Operating Support System

P
POTS Plain Old Telephone Service

PS Packed Switched
PSTN Public Switched Telephone Network
Q
QoS Quality of Service

R
RTP Real-time Transport Protocol

RTCP Real-time Transfer Control Protocol
S
SCTP Simple Control Transmission Protocol

SG Signaling Gateway
SNMP Simple Network Management Protocol
SNTP Simple Network Time Protocol
T
D-3
User Manual
TDM Time Division Multiplexing

TFTP Trivial File Transfer Protocol
TMG Trunk Media Gateway
V
VAD Voice Activity Detection

VDSL Very-high-data-rate Digital Subscriber Line
VLAN Virtual LAN
VoIP Voice over IP
VPU VDSL Processing Unit
D-4

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User Manual

U-SYS IAD101S/101H/102H/104H Integrated

Chapter 4 MGCP Service Configuration......................................4-1

Huawei Technologies Proprietary

Chapter 4 MGCP Service Configuration

IAD101S/101/102/104H realizes MGCP and SIP services

This chapter introduces how to configure data of the

4.1 Planning Data

Table 4-1 lists IP addresses to be planned

Huawei Technologies Proprietary

Table 4-1 IP address allocation

It can be static mode, DHCP mode or

IP address of the default

In this manual, the SoftSwitch is

NMS is the network management

IP address of the DNS DNS is the domain name server.

SNTP indicates the Simple Network

Loghost is the host used for

Huawei Technologies Proprietary

When the IAD interconnects to the MGC, you need to plan

Table 4-2 Parameters for interconnection with the MGC

Data need to be Data need to be configured on

IP address of the IAD IP address of the IAD

Interface name of the IAD Interface name of the IAD

For details of the usage of Login configuration environment and

Huawei Technologies Proprietary

Stage Description Reference

Configure IP address of the

Configure the IP address of the

Configure the signaling port

Configure the signaling port

4.2 Process of Data Configuration

Table 4-3 Process of data configuration

Huawei Technologies Proprietary

4.2.1 Configuring IP address of the IAD

In the global config mode, configure an IP address of the IAD.

Configuring a fixed IP address:

Configuring the IAD to obtain an IP address

Huawei Technologies Proprietary

IP address of the IAD must be configured. After being configured,

IP address of the IAD can be obtained in three ways:

4.2.2 Configuring Domain Name of MG for

TERMINAL(config)#mg The domain name shall be consistent

Huawei Technologies Proprietary

Configure the domain name of the IAD as iad101.com.

1 Configure the domain name of the MG for registration.

4.2.3 Configuring MGC Information

You can configure the IP address or domain name of the IAD in

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index: index of the SoftSwitch in

Configure the IP address of the server for registration as

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4.2.4 Configuring MG Authentication Information

To prevent illegal MG from registering on the MGC, start

Huawei Technologies Proprietary

Configure the IAD to register in the call server in HW mode. The

After configuration, query the result.

Configure the authentication mode to HW as well as the

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