IP Telephony and Phones

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Helloi have some problems upgrading a 7960 sip phone , non call manager.it was working fine with 3.7.3 version and was registerred to some sip aerver until i decided to play with it and upgrade to P003-08-6-00.bin.i tried to follow this doc but i gue...

okenobi by Level 1
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  • 2 replies
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We are getting ready to implement a new CISCO VoIP system with CCM 5.0 and I have a question on directory number planning. The group of D-I-D numbers that is assigned to us begin with 08xx - 09xx. Not my first choice but what do you do. I don't wa...

Hello, I have problem with FAX Server I can Sending Faxes but I do not can Receive FAX.It appears to be FAX server Not negociate T.380x3956 11B9 0x46AF26EC 0/0/1:1.1 0/1:2 1130 g711ulaw 9000/1004R-2811-C#sh voice call sumPORT CODE...

We are running CCM 4.1(3) and have four VG248 analog gateways. I've noticed in the event logs of both our CCM's Transient Connections from 2 of the 4 VG248's every two seconds. In addition on the VG248's I'm seeing "Warning: SCCP 35: Registration fai...

tfelmly by Level 1
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  • 5 replies
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When I use this command at the bottom under : Error configuration history: I see a few lines likeConfiguration Error History:voice-port 0/3/0:15 echo-cancel coverage 8endvoice-port 0/3/0:15 echo-cancel coverage 8endcontroller E1 0/3/0 no pri-group ti...