OfficeSIP Server 2.3
With OfficeSIP Server you’ll be able to use regular telephones, including wireless handsets or headsets, and will never pay a penny for long-distance calls.
PC-to-PC calls were always a great way to save. Free calling between computers is fully supported by OfficeSIP Server. To make it simple, install OfficeSIP Server, run free Windows Messenger and start talking! OfficeSIP Server enables voice calling in Windows Messenger, X-Lite and similar software-based open protocol SIP clients. OfficeSIP Server is designed for IM, enabling VoIP communications in SIP-compliant software and hardware clients.
OfficeSIP Server allows using regular telephones for intra-office and inter-office calling without paying. Being a fully compliant, open-protocol SIP product OfficeSIP Server enables free VoIP communication between remote locations with no computers. Connect your wired or wireless office phones, handsets or headsets to inexpensive SIP devices and communicate for absolutely free in a convenient and customary manner!
Supported Operating Systems: Windows 2000; Windows Server 2003; Windows Server 2008; Windows XP. OfficeSIP Server requires Microsoft .NET Framework 3.5 SP1 or later.
Download: OfficeSIP Server 2.3