Cisco Systems Inc.’s update to its CallManager IP PBX — introduced this week with native Session Initiation Protocol (SIP) support — will require broader ...

Cisco this week advised customers using its 7800 and 8800 series IP phones they should patch a variety of high-priority vulnerabilities that could lead to denial of service and other security problems ...

The most serious vulnerabilities in Cisco’s 8800 Series IP Phones could allow unauthenticated, remote attackers to conduct a cross-site request forgery attack or write arbitrary files to the ...

Cisco SIP based phones have SIP extensions that use the SIP protocol for Cisco proprietary operations like registering a Cisco SIP phone by MAC Address. This blog will take a high level look at ...

Cisco on Wednesday delivered patches to plug multiple overflow and denial of service vulnerabilities. In an advisory Cisco said multiple IP phone devices running the Skinny Client Control Protocol ...

In the new motion picture Skyfall, James Bond uses fewer gadgets than in previous films, but a future 007 might not have to rely upon Q at all, instead taking advantage of ordinary gadgets, according ...

Cisco and Ubiquiti have released security updates that close high-rated VoIP vulnerabilities. There is no known active exploitation yet. Nevertheless, IT managers should proceed and install the ...