Hello all ,I need your help I have a problem with Silent call on external for some devices Cisco 7821.The SIP call is silent at the start of the communication (the first 3 seconds) after, the audio is work fine.When we answer with the head speaker of...

 Hello ,I need you help I would like to ask currently i am using CM v14I have this example:Caller A have with  number 0611111111 calls my desk phone  (Cisco ip phone registered on cucm )  0522222222.  my desk phone will forward to my cell phone 07333...

Hi all , I have a cisco Expressway version : X12.6.4 , all is ok , the only problem that i have : the calls  calls drop after 15 min on cisco jabber via MRA .When i call from external  to jabber connected via MRA the calls droped after 15 min.Do you ...

Hello,I hope yos are doing well ,I have a cisco  phone 8851 registered on cucm  with active Load ID: sip88xx.14-1-1-0001-125 and connected on  two Expansion module CP-8800 :The pohone is logged on Extension mobility with the same Phone Button Templat...

Hello all,I have this scenario :Server (PBX) connected  on cucm via sip trunk , the cucm connected via PSTN sip trunk for external calls.PBX ---- CUCM ----PSTN -When a user from PBX call a normal PSTN numbers  the call is passed via cucm after it arr...