Cisco CP-7911G-CH1 Administration Guide - Page 304
show ccm-manager music-on-hold, show ccm-manager, music-on-hold, moh multicast
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Appendix B: Integrating Cisco Unified Communications Manager and Cisco Unified SRST to Use Cisco Unified SRST How to Use Cisco Unified SRST Gateways as a Multicast MOH Resource Note The show ccm-manager music-on-hold command displays information about PSTN connections on hold only. It does not display information about multicast streams going to IP phones on hold. Router# show ccm-manager music-on-hold Current active multicast sessions : 1 Multicast RTP port Packets Call Codec Incoming Address number in/out id Interface 239.1.1.1 16384 326/326 42 G.711ulaw Lo0* If no MOH streams are shown (that is, there are no rows of data beneath the columns), Cisco Unified Communications Manager was not correctly configured to provide the Cisco Unified SRST gateway with MOH. Configuration errors might include that the required codec has not been enabled on Cisco Unified Communications Manager (check the service parameters) and that no MRGL was assigned to the gateway, or, if one was assigned, it has insufficient resources. Check Cisco Intrusion Detection System (Cisco IDS) Event Viewer for error messages. • If the POTS caller on hold does not hear a sound, Cisco Unified CM has successfully completed the multicast MOH handshaking with the Cisco Unified SRST gateway, and the gateway is failing to pick up the locally generated multicast RTP stream. Use the show ccm-manager music-on-hold command to investigate. Router# show ccm-manager music-on-hold Current active multicast sessions : 1 Multicast RTP port Packets Call Codec Incoming Address number in/out id Interface 239.1.1.1 16384 326/326 42 G.711ulaw Lo0 * - If no MOH streams are shown, Cisco Unified CM was not correctly set up to provide the Cisco Unified SRST gateway with MOH. A typical error is that Cisco Unified Communications Manager was not configured with an appropriate MOH resource. The configuration error might be that the required codec has not been enabled on Cisco Unified CM (check the service parameters) or that no MRGL was assigned to the gateway, or, if one is assigned, it has insufficient resources. Check the IDS Event Viewer for error messages. - Verify that the multicast address and RTP port number shown in the show ccm-manager music-on-hold command output match the multicast-address and port arguments in the moh multicast command configuration. - Verify that the Packets in/out field shows a count that is incrementing. Repeat the show ccm-manager music-on-hold command to verify that the Packets in/out counters are incrementing. - Verify that the codec field matches the codec type of the audio file stored in the Cisco Unified SRST gateway's flash memory. If another codec value besides G.711 mu-law or G.711 a-law appears in the show ccm-manager music-on-hold command output, review the Cisco Unified CM region for incorrect codec configuration. See the "Creating a Region for the MOH Server" section on page 295. 304 Cisco Unified SCCP and SIP SRST System Administrator Guide OL-13143-04