Updated for OCS 2007 R2, this white paper covers everything you want to know about Voice Interoperability with OCS. Topics include Media Gateways, IP-PBXs, SIP Trunking, PBX integration Scenarios, Standards Compliance, Integration Features and Migration Strategies.
Download it from http://www.microsoft.com/downloads/details.aspx?familyid=8CDE0C3A-042E-445B-A514-2D12ED5B2AC2&displaylang=en
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Hi can anyone please help me, if i have a IP PBX with FXO ports, do i still need a PSTN gateway? for OCS integration? my email address is mydream143@hotmail.com..please reply.
Thanx