If you recall, back in March, I talked about how Cisco was embracing the SIP standard, i.e. "Cisco is fully embracing the SIP standard on their desktop phones. I interviewed Cisco last week and they ...

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

Today as expected, Cisco announced they have finally embraced SIP (Session Initiation Protocol). The platform for doing so will be Cisco Unified CallManager5.0, the call-processing component of the ...

So I'm running into a situation where address-hiding should be working but is not. Call comes in on port 5060 -->UM Sends back a 302 redirect with the same IP and different port (port will be 506X) ...

VoIP vendors poised to make news at VoiceCon this week say they will deliver on the multimedia and interoperability promises of Session Initiation Protocol with a lineup of products that use the ...