IP Telephony and Phones

Hi All, I'm trying to find out why users cannot log into CUCM with their own UID's. They are partof the correct user groups, LDAP looks good from the admin pages when I save the config, I can see the users have been downloaded from LDAP but no sucess...

We had a very unfortunate timing.  The server hosting the VM for the publisher had a short in a drive when it failed corrupting the image on the same day that we replaced the 3rd party self signed certs but before we backed up the system.  Yes then I...

HiWe have a customer where we have configured SNR to MS-teams, and this works.What we want is encryption between CUCM and the CUBE that connects to MS-teams. And this we can't get this to workTo configure encryption between CUCM and CUBE is quite str...

Hi,We are trying to establish TLS between a Cisco 6871 multiplatform phone and our sip server. The server uses a custom certificate derived from a custom CA.Even though this custom CA is already loaded to the phone via the Custom CA Rule, we get an U...

Hello Everyone,We have an HA CUBE on 4351.With our monitoring tool we see the SIP provider is sending us 200M but the tool shows we can only use 13.5M. We have a major call quality when reaching the 13.5M. We are unable to see where this cap is in ou...

HiI work in a hospital where prompt communication with the clinical team is vital.In order to contact the person on-call, we have to go through switchboard who connects to the individual's work or personal mobile phone. There is often a delay in acce...

im using Matrix IPBX, i purchased CISCO 8845 k9 phone and trying to connect to my IPBX but im not able to connect. guide me how can i connect my cisco phone to matrix IPBX

Hello,We have Hub and Spoke voice distribution. We have CUCM at HQ and CME deployed at Branches. Currently I want to configure MoH on Branch routers so the music is always played through local gateway and not from CUCM over WAN. I have read all the p...

Cisco Unified CM AdministrationSystem version: 12.5.1.13900-152-----------------------------------------I have a phone with a 4 digit extension number, extension 1234.The phone also has a 10 digit external number mask 937-331-5357.When I call another...

Hi,I have collected tcp-dump logs on SIP server. The outside customer voice is clearly audible to the person who initiated the call but his voice is not audible to the person who is listeningI have attached the tcp-dump logs in here. anyone please pr...