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 ...

When it comes to VoIP, the first question the Reviewmeister has is: How do we make it secure? So we invited Cisco to set up a bulletproof VoIP network. And they did. Cisco’s “maximum-security” VoIP ...

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 ...