Unified Communications Infrastructure

Hello All,I'm doing a little research on CUCM and certificates.  With me being a novice to CUCM, I'm reaching out to the community knowlege base for some information and guidance.  My question: Is CUCM required to use its self-signed certificate or c...

We have the UC320 and are having trouble setting hold music. Can someone show me a link or a way to change the hold music?                   

Hi, allIt seems that UMG is necessary. For my devices: I have cucm, unity connection at HQ, and a router with Cue at branch office.So, my question is: Can I have a SRSV without UMG?Any answer will be very appreciate!Sam.Sent from Cisco Technical Supp...

i have a group of three sip extension  numbers 601,602,607, when the incoming call is directed to the ring group all three phones ring , but when extension 602 answers the call, the other two phones show a missed call, even though 602 answered the ca...

Hi PalI have a setup which includes a Nortel PBX and CUCM along with a H.323 Gateway registed with CUCM. There is a SIP trunk configured between the CUCM and the Nortel PBX. The phones on Nortel side works on SIP and that on CUCM side on SCCP. The ca...

Hello All,I am finding the problem to get the information about UCL & CUWL for CUCM v9.1 please assist as below given points.Existing Setup:1>  Total DLU's around 5000 from that Unused DLU's are 4449 please find the attached doc to get the full idea....

We were on UCCX 7.X.  a couple of months ago, we upgraded to UCCX 8.5 SU4.  After running some reports and watching things, there are one or two agents who, as soon as they login, show 1 call presented, 1 call not handled...even though no calls were ...

I have a weird problem where the CFwdALL field is being set on a shared line.  I have about 5 phones with DN 212500.  They called saying that their line was getting set to forwarded to 212100.  At first I thought it was just someone forwarding it man...

CuciLync with OCS 2007 R2When I start CuciLync I get the following error message after it tries to connect for abouta minute: "A timeout occurred starting the system service. Please select retry."Even after a full uninstall including removing registr...

When launching a call from outlook, internet explorer, ... We get "http error occured. Please contact your administrator". When I look at the cowebdialerprovider log, I fund the following error: "SOAP returned unsuccessfully, with error: 29".Anyone a...

Hi Everyone:I have a little problem with the administration page of the CUCM 8.6.2.20000-2. The web page (occasionally) go to blank page (in publisher or subscriber). The only thing that I can do to restablish the service is restart by SSH the servic...

HiI'm testing SIP Trunking with SIP early offer.I use CUCM 8.6.1.20000-1, with CUBE 15.1(4)M.If I tick 'MTP required' on the SIP Trunk, it works fine. This always use MTP for every call so not scalable. But, if I tick "Early Offer support ...(insert ...