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

Telephony Application Programming Interface, or TAPI, allows applications to control the telephone services in Windows. To use TAPI with Cisco CallManager, install the Cisco TAPI Service, or TSP, ...

Configuring route filters in Cisco CallManager Administration to reduce the number of route patterns or restrict calling to undesirable locations Modifying route patterns to use access codes and ...

Cisco has removed a backdoor account from its Unified Communications Manager (Unified CM), which would have allowed remote attackers to log in to unpatched devices with root privileges. Cisco Unified ...

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 ...