Multilayer Cucm Ip Network Diagram

This document shows an ip mls sample configuration using an rsm as shown in this network diagram.

Multilayer cucm ip network diagram. Cucm tftp fw b with an ip public with ll the nat stuff needed for tftp sip etc. Connect only ip phone 1 at the beginning of the lab. After a call has been set up media exchange occurs directly between the cisco ip phones across the ip network using the real time transport protocol rtp to carry the audio. In this exchange the cucm publisher is an ntp client.

They are in different vlans so the traffic is routed via the rsm the default gateway for the pcs. Ipphones local dhcp with option 150 with cucm ip public configured fw a. Cucm uses sip or sccp to communicate with cisco ip phones for call setup and teardown and for supplementary service tasks. After a call has been set up media exchange occurs directly between the cisco ip phones across the ip network using the real time transport protocol rtp to carry the audio.

In the diagram above pc a a wants to communicate with pc b b. Therefore the cucm publisher synchronizes it s time with the ntp server. Don t forget to enable the interface with the no shutdown command. At t the at t logo and all.

Resource on cube in order for cucm ip phone to initiate a three way conference between g729 media end points. Configure interface fastethernet 0 0 and dhcp server on routera 2811 router configure the fastethernet 0 0 interface with 192 168 10 1 24 ip address. Cisco unified ip phones using sip as the registration protocol sip line do not support g 729 with annex b. Cisco unified communications manager cucm is the core component on a voice infrastructure responsible for call processing for all voice devices e g.

The cucm subscribers synchronize their time with the cucm publisher. Ip address of the cucm sip interface facing the sbc ip addresses to be used for the sbc internal cucm facing and external facing ports service interfaces ip address of the next hop gateway in the att ip flex reach network ip address of the enterprise dns server configuring the sbc. The cucm publisher needs an ntp source which is not a member of the cucm cluster. On the site b i have.

Ip phone voice gateway etc. Here s the simple network diagram site a fw a internet fw b site b on the site a i have. Below diagram illustrates this basic setup for a call set up between an ip phone registered to the cucm and another phone connected to a co switch in the public switched telephone network pstn through a voice gateway. In this training series we will teach you the concepts design aspects with best practices and how to deploy cisco unified communications manager as a solution.

Cucm is not. This voice gateway is registered with the cucm using media gateway control protocol mgcp. Ip phone 2 must be disconnected.