12 2 Telephony
12 2 Telephony
12 2 Telephony
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Sub-Systems
Telephony
Edited by: Arie S.
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Astro 7.15 - Telephony
Training Objectives:
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Astro 7.15 - Telephony
Structure:
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• ETI – Enhanced Telephone Interconnect
• The TMG (Telephone Media Gateway ) is the VPM device from the MCC Dispatcher (with a
different operating configuration)
• The TMG can be encrypted via KVL and can be controlled from the KMF – this will allow
encrypted phone call .
ETI – Enhanced Telephone Interconnect
• The Branch HUB Media Gateway is the phone lines (PSTN) connecting device when
using Analog lines (FXO/S).
• The Co Branch HUB Media Gateway is the phone lines (PSTN) connecting device when
using E1 based line.
ETI – Enhanced Telephone Interconnect
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