IP Telephony and Phones

This is the first time I see this.  We are using CUCM 6.1 with MS exchange 2003.  We usually added IP Phone field in the Active Directory profile of the user with user’s 4 digit extension.Then, I believe CUCM will get the data from this field for the...

I'm aware that the lowest release of CUCM with official support for the 8900/9900 series IP Phones is 7.1.3(a)su1, but am wondering if it is possible to register the device as an advanced third-party SIP device in an earlier version of CUCM (6.1).  I...

On SRND CUCM 8.x page 21-5 it is stated that the Corporate Directory, if the cluster is configured to internal provisioning, will allows phones to query (for directory XML file)  the CUCM they are register. I have not being able to make this work.Any...

changing ip address of server and hostname and after that I can not enter to web interface, and return ip address but the name does not remember exactly what it was.  anyone has idea?is a cluster of CCM 6.1 and the suscriber is the one that happenedb...

I have several IP Phones 7970/71, they have loaded 8.5.3 SCCP. Start After loading 9.0.3. But after a restart, the phone still Copyright 2003-2007 as an opening image. Its this correct?

I have a subinterface on my routers that provides access to a cellular data connection. The cellular device pulls a static IP via DHCP and provides it to the FE subinterface.Some time after configuring these subinterfaces, my gateways needed to re-re...

I have 79xx phones deployed throughout my enviornment.  Mainly on the WAN.  I have had some issues with hackers trying to brute force sip credentials from my tftp root.  I need to find out if there is some sort of authentican that can be used with th...

Hi TeamWe have a setup where we have cucm,presence ,cupc ,mp 7and hardphone.We found a issue that the meeting place 6 is integrated as a h323 gateway and we are able to dial the meeting place no from CUPC but the call get droppedIs SIP to H323 callin...

I'm not sure what the password is to use this program, how do I recover it?

Hello,I have a situation with a CCM R7.1.3 were we configured two sip endpoints an Xlite R4.0 softphone and a SIPdroid softphone on a smartphone with Android O.S. both sip endpoints register with CCM, with the Xlite I had no issues I could made and r...

Hi,Does anyone know if it's possible to change the user ID in the global directory (used to be called DC directory, not sure if it still is or not). Anyway, I've read all the posts, and in all previous versions of CCM, you couldn't do it without dele...

Hi Team,I have installed CUCM cluster 6.1.5 and 7942 phones. I found one uncommon issue, When I pressed misscall and then try to redial by using EditDial soft key, I was not getting through. Call is not hitting gateway itself. Let me put an example:I...

I am experiencing an intermittent one-way audio problem.  Perhaps one in a couple hundred calls.  I've told the user to hit the "?" on his 7945G phone to glean what's going on during the call in terms of codec, packets received, loss, jitter etc.  Is...

Hi Guys,I have a modem which is connected to a VG224. We are trying to send Fax through that modem which is connected to another modem. It looks like modem connects the first attempt but the issue is it tries to reconnect gain and again. Please have ...