Pingtel is the main developer behind sipXecs, an open-source IP-PBX platform that is based ... Enterprise and SMB Communications Systems at Toronto-based Nortel. The transaction brings Pingtel's ...
QUICK POLL The launch marks Microsoft's definitive entrance into the VoIP market, placing it squarely in the path of somtimes-partner Cisco Systems ... features of Nortel's IP-PBX with OCS ...
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