Cisco CP-7911G-CH1 System Administrator Manual page 293

Appendix B: Integrating Cisco Unified Communications Manager and Cisco Unified SRST to Use Cisco Unified SRST
d.
The following is an example configuration:
Router(config)# interface serial 0/0
Router(config-if)# ip multicast boundary 1
Router(config-if)# exit
Router(config)# access-list 1 deny 239.1.1.1
Creating an MRG and an MRGL, Enabling MOH Multicast, and Configuring Gateways
The next task involves configuring individual gateways to use an MOH server that can transport the
required MOH audio source to their IP phones on hold. This is accomplished by creating a Media
Resource Group (MRG). An MRG references media resources, such as MOH servers. The MRG is then
added to a Media Resource Group List (MRGL), and the MRGL is added to the phone and gateway
configurations.
MRGs are created in the Media Resource Group Configuration window. MRGLs are created in the Media
Resource Group List Configuration window. Phones are configured in the Phone Configuration window.
Gateways are configured in the Gateway Configuration window.
The Gateway Configuration window for an H.323 gateway is similar for MGCP gateways.
Note
Add MRGL to a gateway or IP phone configuration by adding the MRGL to a device pool configuration.
For further information about device pools, see
Guide. From the
Operate Guides and select the required Cisco Unified CM version.
OL-13143-04
access-list access-list-number deny ip-address
Configures the access list mechanism for filtering frames by IP address. For the ip-address
argument, enter the MOH IP address that you want to prevent from going over the WAN. Normally
this would be the base IP address entered in Step 2.
Cisco Unified Communications Manager
How to Use Cisco Unified SRST Gateways as a Multicast MOH Resource
Cisco Unified Communications Manager Administration
documentation directory, click Maintain and
Cisco Unified SCCP and SIP SRST System Administrator Guide
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