Direct SIP connectivity with OCS and Cisco UCM v4.2, 5.1 and 6.1
Cisco Unified Communications Manager (aka CallManager) version 4.2, 5.1 and 6.1 (specific version/release below) is now certified for Direct SIP connectivity with Office Communications Server.
Direct SIP allows connectivity between the OCS mediation server and the Cisco IP-PBX without the need for a gateway, meaning that Office Communicator users can be enabled for Enterprise Voice (i.e. Office Communicator is a full soft-phone, not just click-to-call or RCC) without significant upgrades or hardware replacements.
More detail at https://technet.microsoft.com/en-us/office/bb735838.aspx
| IP-PBX Vendor | Tested Product | Qualification Level |
Software Version Tested | Vendor’s Web site |
Cisco |
Cisco Unified Communications Manager | Direct SIP | 4.2[3]sr3a 5.1.3.3000-5 & 5.1.3.1000-12 6.1.1.3000-2 (requires update package for Communications Server 2007 Mediation Server: August 2008) |
Cisco |
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