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1. Voice-over-Broadband Networking 1000-A2-GN22-00
1-2 February 2003
Figure 1–1. VoBB Local Access Networks
The CPX-1000 Voice Services Platform is a large-scale voice
platform that resides in an ICP's Regional Switching Center (RSC).
It serves as the gateway between an ICP’s existing Class 5 voice
switch and a packet-based local access network (Figure 1–2).
Figure 1–2. VoBB Network Architecture
The CPX-1000 Voice Services Platform architecture provides
seamless integration of voice and data networks. These networks
comprise standard ATM switches and local access multiplexers
available from multiple equipment manufacturers.
0249
Internet
PSTN
Access
MUX
Packet
Switch
CPX-1000
Class 5
Voice
Switch
ILEC CO
Subscribers
ICP RSC
LAN
Phone Sys
IAD
LAN
Phone Sys
IAD
DS-3/
OC-3
Local
Loop