IP Telephony and Phones

Hello AllI wanted to share an interesting incident appeared when upgrading a CUCM Cluster ( Mega size one ) from 8.6.2(a) to 8.6.2aSU3 edition. After Fully successful upgrade with full services up and running and with full successful DB Replication ,...

Hey Guys, after the Migration from ISDN to a SIP trunk. My 9951 phone don't register anymore. It always say "Phone not registered" But the debug Messages in my CUCME says "Registration successful for 100, registration id is 39" Any ideas? Feb 25 02:...

Hello all.  I am having trouble getting inbound SIP calls to reach voice mail boxes after call-forward noans.  I have two working CME routers, each as a stand-alone PBX.  I have a SIP trunk configured between them, and can place calls from one CME to...

Hi Guys, We like to setup a cisco lab environment with 1 pub, 1 sub, 1 Voice GW, 1 unity. What are the specs of VM ware server we need to get along with software and licensing from Cisco? Any help would be awesome.

Please help me , I have problem with registering Cisco SIP phone 9971 with CME 8.6 on ISR 2901.I configured CME for SIP clients, then I add configuration for 9971 phone and create profiles.  Phone downloaded SEP...xml file from CME,after that phone l...

Our users have to dial an outside line digit, 9, and then a long distance carrier/country code, 1, when sending calls to the PSTN.  Our users are complaining they cannot use the Missed Calls and Received calls directories to make external calls easil...

Hello all, I have an office that is using the 8831 conference phone in a very large conference room and they are looking for a way to amplify the sound in the room.  Does anyone here on the forum know of a way to possibly connect additional speakers...

Hi This message appears one a week on my system  Number of registered Media Devices decreased between consecutive polls. Current monitored precanned object has decreased by 4 The alert is generated on Tue Feb 16 14:52:44 EST 2016 on cluster StandAl...

Hello Support community. We got some new locations in Poland, Sweden, Italy, Spain and Russia. Now the user request to change from English language to their local language. Because of this I search in Cisco Web for more information how to update la...

Hi I have a client with about 10 000 extensions. They use extension mobility. I need to change all 10 000 extensions from 5-digit to 6-digits. Also, I would need to change the End User telephone number to reflect the new 6-digit range. Looking at the...

In customer place, they need three language based on user. For ex, the arabic team ip phone should used - annunciator arabic French team ip phone should use - annunciator french. Please let me know it is possible in CUCM 10.5, without any commercial ...

CUCM 10.5, customer is asking for lock with AD user name and password or with PIN. Please let know it is possible with CUCM 10.5 to lock and unlock the IP phone.

Hi all,I am trying to disable the call history from popping up on the screen everytime someone picks up a handset or presses the speaker phone (8961 model).  The users are extremely picky and hate this functionality of the phones.  I don't want to di...