New features in Cisco’s CallManager software promise to make the IP PBX platform more secure and interoperable with standards-based VoIP equipment, while adding native support for video phone calls, ...

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 ...

For businesses switching over to IP telephony, reliability is always a major concern. Will installing Cisco (San Jose, CA – 408-526-4000, www.cisco.com) IP phones and the CallManager call-processing ...

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 ...

Colleague Joris Evers reports today that Cisco has just issued a couple of fixes for two VoIP-related security flaws. Both flaws exist in Cisco's CallManager software, a screen of which is shown at ...