Cisco CP-7911G-CH1 Administration Guide - Page 302
Verifying Cisco Unified SRST MOH to PSTN, SUMMARY STEPS, DETAILED STEPS, no call-manager-fallback
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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 An invalid output might be caused by the order in which the Cisco Unified SRST configuration commands are entered. Use the no call-manager-fallback command and reenter the multicast MOH commands. Rebooting may also clear the error. Verifying Cisco Unified SRST MOH to PSTN Use the following procedure to verify Cisco Unified CM control of MOH (the WAN link is up) and that multicast MOH packets transmit over a public switched telephone network (PSTN). Note This feature does not apply when the Cisco Unified SRST router is in fallback mode. SUMMARY STEPS 1. Verify that a PSTN caller hears MOH when placed on hold by an IP phone caller. 2. show ccm-manager music-on-hold 3. debug h245 asn 4. show call active voice DETAILED STEPS Step 1 Step 2 Command or Action Purpose Verify that a PSTN caller hears MOH when placed on hold by an IP phone caller. Use a Cisco Unified SRST gateway IP phone to call a PSTN phone, and put the PSTN caller on hold. The PSTN caller should hear MOH. show ccm-manager music-on-hold Example: 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 Use this command to verify that the MOH is multicast if you are using Windows and Cisco Unified CM version 4.3 or an earlier version. Note that 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. The following is an example of show ccm-manager music-on-hold command output. If the PSTN caller hears MOH, and the show ccm-manager music-on-hold command displays no active multicast streams, the MOH is unicast. Confirm this by checking the MOH performance counters as discussed in the "Verifying Cisco Unified Communications Manager Multicast MOH" section on page 296. 302 Cisco Unified SCCP and SIP SRST System Administrator Guide OL-13143-04