Open source PBX software that runs under Linux and other Unix variants on a variety of hardware, including x86, PowerPC, POWER and Xscale. Supporting traditional telephony (TDM) as well as voice ...

Too often, companies approach VoIP as a simple replacement of their current TDM-based PBX voice system with a VoIP PBX. Strategically, design your IP communications system to take advantage of new ...

Network gateway servers had converted PBX TDM/PCM signals into IP format for transport through a router network. VoIP offered no new features or functions, merely an alternative means of transport.

with pure IP PBX and hybrid PBX equipment sales up and TDM PBX equipment sales down, Infonetics found. The report also revealed that the IP PBX segment grew 9 percent in revenue and 7 percent in ...

"We installed a Siemens time division multiplexed (TDM) private branch exchange (PBX) five years ago because we felt that, at the time, SIP was not mature enough," says Bulleyment. "But we did ...