321 Studios (ITG) Trunk 2.0 ITG ISDN IP Trunk, tandems, Meridian 1 to IP network, providing point to multi-p o in t co n n e c tio n, DSP , t

Page 20 of 378 Description
553-3001-202 Standard 1.00 April 2000
Non-compressing G.711 codecs require 100BaseT Ethernet network
connectivity. A 10/100BaseT autosensing Ethernet i nterfac e ro ute s the VoI P
traffic from the ITG ISL Trunk cards. Signaling between cards and
communication with the Meridian Administrati on Tools (MAT) PC is over a
10BaseT Ethernet connection. The MAT application manage s th e ITG ISL
Trunk.
Figure 1 shows an ITG ISL Trunk configuration example.
Figure 1
ITG ISL Trunk connectivity
Note: In this document, T-LAN refers to the Telephony LAN that
transmits the ITG voice and fax traffic. E-LAN (embedded LAN) refers
to the management and signaling LAN for the Meridian1 site.
ITG ISL Trunk depends on the managed IP network, not t he Interne t, because
the managed IP network can provide adequate latency, jitter, and packe t loss
performance to support VoIP with an acceptable voice quality.
IP Network
DCH H.323
ITG ISDN IP Trunk
tandems
DCHIP + Followers
Meridian 1 to IP network, providing
point to multi-p o in t co n n e c tio n
northern
telecom
Meridian 1
Meridian 1
northern
telecom
Meridian 1
Meridian 1
northern
telecom
Meridian 1
Meridian 1
northern
telecom
DSP
Meridian 1
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2
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T
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2
I
T
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2
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553-9340