Hi. I have CUCME 10.5 and about 100 sip-phones CP-7821. (All phones and server in LAN) Sometimes some phone (or may be number) "hangs" - it becomes always busy. If I call to problem number - it is busy. If I call FROM problem number - I get busy too....

Hi. I have CUCME 10.5 and about 100 sip-phones CP-7821. (All phones and server in LAN) Sometimes some phone (or may be number) "hangs" - it is always busy. If I call to problem number - it is busy. If I call FROM problem number - I get busy too. It i...

Hi.I have Cisco 3925 with CUCME 10.5 and several CP-7821 SIP phones.I want use the presence service with blf monitoring for speed-dial.I use blf-speed-dial command in voice register pool 1 and speed-dial appears on second line button of phone, but mo...