Cisco System Inc.’s update to its CallManager IP PBX — introduced this week with native SIP support — will require broader upgrades to other network ...

Tandberg announced Wednesday that two of its videoconferencing endpoints now have native support for Cisco’s new CallManager 4.0 software, giving the endpoints the same features and capabilities as a ...

Cisco has released its first new security alert of the year: a warning that its Cisco Unified Communications Manager – formerly CallManager – contains a heap overflow vulnerability in the Certificate ...

Some organizations consider taking the plunge off PBX platforms into IP telephony as being pretty daring, but that’s nothing compared to what Sam Houston State University (SHSU) is doing. The south ...