Problem description :  While video calling, after a few seconds appear "camera disconnected" notificationvideo on the far end freezesThen about 30 seconds, the camera is connected again, but the problem is repeated. Scenario 9971 firmware 9.4.2.SR-2...

Hi, I'm trying to integrate cisco H323 voice gateway 2951 with panasonic PBX using E1 R2.Call from ip phone to PBX works well, but call from PBX's Analog Phone to Cisco IP Phone doesn't work.When I debug voice ccapi, the calling and called number is ...

Hi,I have a problem with my cisco ip phone 3905.The problem is it keeps showing "unprovisioned" in the display.I use cucm v.9.1, the others 3905 is working perfectly.I have : - delete it from cucm and add it again- factory reset- upgrading & downgrad...