Download of officesip-messenger-2.1.msi (officesip-messenger-2.1.msi ( external link: SF.net): 5,060,608 bytes) will begin shortly. If not so, click link on the left.
OfficeSIP Softphone and Messenger are two enterprise VoIP SIP clients written in C# in .NET Framework. The SIP clients make use of Microsoft UCC API SDK, ensuring the highest quality of audio and video. Compatible with Office Communications Server.
See also open source, cross-platform, simple messenger Brief Msg at http://briefmsg.org
