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Evolution from circuit-switched to IP
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 only two circuit
packs:
TN799DP Control-LAN (C-LAN) for IP call signaling
TN2602AP Media Resource 320 and TN2302AP Media Interface (MedPro) for IP audio
media processing, including media streams that are intended for IP Softphones and IP
Telephones
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 34: IP-enabled DEFINITY
non-IP system, while simultaneously enabling all new IP endpoints to fully access all the
Communication Manager features.
Note:
If Phase 2 is implemented before Phase 1, the system will resemble
Note:
Figure 34: IP-enabled DEFINITY
Phase 2 but not Phase 1 cannot support as many IP endpoints as a system that
implements both Phase 1 and Phase 2 (see
page 71).
Figure 34: IP-enabled DEFINITY configuration
88 Avaya Application Solutions IP Telephony Deployment Guide
configuration) might have minimal impact on an existing,
configuration. Also, a system that implements
DEFINITY Servers R and SI
on
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