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Evolution from circuit-switched to IP
122 Avaya Application Solutions IP Telephony Deployment Guide
Phase 2: IP-enable the Port Networks to support IP endpoints
Port Networks, with the addition of IP enabling circuit packs, are able to serve as Media
Gateways, representing the integration of IP and TDM telephony.
IP-enabling the existing system incrementally for IP endpoint support requires the following
circuit packs:
● TN799DP Control-LAN (C-LAN) for IP call signaling.
● TN2602AP IP Media Resource 320 and TN2302AP IP Media Processor for IP audio
media processing, including media streams that are intended for IP Softphones and IP
Telephones. Two per port network, maximum.
Signaling and bearer communication can connect through both the traditional TDM/center stage
route and the IP network infrastructure. This gentle migration to IP Telephony
(Figure 44:
IP-enabled DEFINITY configuration) might have minimal impact on an existing,
non-IP system, while simultaneously enabling all new IP endpoints to fully access all the
Communication Manager features.
Note:
Note: If Phase 2 is implemented before Phase 1, the system will resemble
Figure 44:
IP-enabled DEFINITY configuration. Also, a system that implements
Phase 2 but not Phase 1 cannot support as many IP endpoints as a system that
implements both Phase 1 and Phase 2.
Figure 44: IP-enabled DEFINITY configuration