I was looking at licensing numbers on a CUCM cluster last week and something didn't add up. More device licenses consumed than users who should have them. Not a huge gap — but enough to make me dig. So I…
Connecting the Cisco IOS Voice Gateway to CUCM via SIP has been the preferred way to do it in the past couple of years. The slowly dying H323 protocol (ISDN based) is not being developed anymore while SIP (HTTP based)…
And why should you punch it in the face?To be honest, mostly revenge…Because one-way audio and no audio problems hurt.Really bad.Especially when they hit you by surprise, as they usually do.
There is no way around it,finding the SIP call flow is the first thing you have to do when you are facing a SIP call failure. Why?Easy.Because first of all, you have to understand whether this is a call routing…
On how will CUCM 11.5 change our lives After we picked in the IM&P new features the stage is ready for the main event. CUCM 11.5 is available and it comes with some nice tweaks. Here are few.