IP Telephony and Phones

Good morning I'd like your support to solve a question, an ip phone breaks down and it was switched to an ip phone 7962 model, we changed the Mac-address in cisco 2851, but when we changed it showed the followingmessage "Can not update the CNF file f...

The display of a colleagues call disappears after 10 seconds.Is it possible to change that to 60 seconds? or just until the call is taken ect. 

I recently bought a little used ATA192 second hand.  I thought a factory reset was a good place to start so I applied power (but made no other connection).  The lights flashed as expected.  I then pressed the Reset button.  The expected sequence of l...

I have a ATA 191, connected to UCM 10.5.2  The elevator (an analog phone) is programmed to call an extension in our company to notify that someone may be stuck, and it does that just fine.  The issue I'm facing is when the monitoring station hangs up...

I have  7911 and cp 9971 in my environment. All 7911s can make outbound calls to any number successfully. For cp 9971 some calls go through while others don't All these numbers all 11 digits, I can't seem to figure out why some are successful and som...

Hello everyone, i found on the this allarm on Prime Collaboration Assurance: SERVICE QUALITY THRESHOLD CROSSED This allarm is generated of low quality call, particulary the mobile phone external call Someone has already had to do whit this issue? Tha...

hi,We have Cisco CUCM 11.5 and  275 to 300 roomseach room having 1 to 4  third party SIP IP phones with individual DN for each Phone.how to create hunt group for each room if someone call the room all the extension should ring.can we create Hunt grou...

Hello all, I just had a user call in an issue where an outside line to their group will ring once then pause 15-20 seconds before continuing to ring.  This is causing people to hang up as they think the call dropped.  I am far from a CUCM expert havi...

Hello Perl script execution terminates with error and it does not retrieve all data with axl request to cucmCould you contact me to share with you the script and the encountered encountered In advance, thank you for your return

Hello,All my end users have Cisco WebEx App profiles installed on their computers and life goes great so far.We recently purchased a couple of Cisco Wireless 840 phones and wanted to give some mobile users in our factories. However, I noticed that I ...

Hi,I am trying to restrict internal extensions to call outside with from 2 truck lines i have done below configuration, but the issue i face  is whenever i apply specific Corlist it restricts complete access to trunk. i wanted to do in below way leve...

HiWe see a lot of alerts being generated for Expired Certificates. ALl of the certs are renewed and we would like to delete the expired ones. Could someone suggest the services we would need to restart after deleting the expired certs?Certificates ex...

Hi,I have cucm pub and sub ,unity pub and sub , and cup ,one expressway c and eTo upgrade 11.5 from to the latest , do I need all the licenses below ?If I remove the unity and cup is there any differences in the licensing ? Thanks