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Posted by Andy on April 21, 2009

Beginning with Cisco Unified Survivable Remote Site Telephony (SRST) Release 3.0, MoH can be multicast in a remote or branch site via the branch SRST router’s flash. Beginning with SRST Release 3.2, MoH can be multicast in a branch site via a live feed connected to an analog port on the branch SRST router. Multicast MoH from a branch router via these two methods enhances the Cisco Unified Communications MoH feature in both of the following scenarios:

•Non-Fallback Mode

When the WAN is up and the phones are controlled by Unified CM, this configuration can eliminate the need to forward MoH across the WAN to remote branch sites by providing locally sourced MoH.

•Fallback Mode

When SRST is active and the branch devices have lost connectivity to the central-site Unified CM, the branch router can continue to provide multicast MoH.

via Cisco Unified Communications SRND Based on Cisco Unified Communications Manager 7.x – Music on Hold  [Cisco Unified Communications Manager (CallManager)] – Cisco Systems.


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