IP Telephony and Phones

Recently we've Upgraded our CUCM Cluster from 8.6.2 to 10.5 to gain some new features. In the feature list there is a lot of stuff for provisioning and making admin things easier. Right now, if there is a new employee in our company, we manually crea...

I need help for setting up Unity for Holiday Recording

HiI have a CUCM 8.5 and a CUBE out to a provider. Everything works except if a call is forwarded to either and internal or external number then the caller doesn't hear ringback. If you wait and the call is answered then it proceedes correctly.  I can...

Hello againI have here cisco cp-8945 he has ip from the DHCP server and Tftp ip but he always give mePhone not registered I dont know what the problem because when i connect the cisco ip phone simulator he working correctly but when i connect the rea...

I have a pretty basic problem that has plagued me for some time that I assume there is a simple solution to but cannot find on my own.On a 9971 phone, when I am on a call, and I receive a call on the second line, I am unable to Divert this call to vo...

Can someone help me understand what the difference is between the session buttons and the programable feature buttons on a 9971 phone?   It appears that the 9971 only has 6 buttons on the left side of the display that can actually be programmed for a...

Hi everyone! I am looking for an official document or a guide that can provide information on the best way to integrate Skype Connect with CUCM 10.5 either directly through a SIP Trunk or through the use of a CUBE. So far I found a working CUBE confi...

Dear Team,  voice router logging all ISDN-6-CONNECT calls twice? we can see from a small sample below, each call connection is logged twice, whereas the call DISCONNECT is only logged once. Whats the issue here ? Aug  4 08:20:02 dxb-rtr3-fa0-0-115-vl...

I added two phones to an existing UC540 and the new phones are in the data network, not the voice network, how do I get those phones into the voice network using CCA 3.2(3).

Hello all.I try to find out why I can not see and placed calls in call history of our 9971 phones ?Any Idea ?Thanks in advanced.Christian

Hi I have an issue when dialing my vm pilot number, getting busy tone. Both dialing and pressing app button Aug  5 10:15:51.712: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:Received:INVITE sip:5555@10.50.134.250;user=phone SIP/2.0Via: SIP/2.0/UDP 10.50...

Hello,Which codecs are supported by Cisco 7821/ 8851 phone?In the Data Sheet I can see the following info:  "G.711a/μ, G.722, G.729a, iLBC" In the Admin Guide I can see:"A Cisco IP Phone, like other network devices, must be configured and managed. Th...

Hey ,I have a firmware upgrade problem, our current firmware is SIP8941_8945.9-3-2-12,  and will upgrade it to 9.3.4.17 version,  some of phones in cluster  have  the belowed failed,  any suggestions ?CM Version 9.1.2X.X.X.24   = our TFTP Server IPCo...