Unified Communications Infrastructure

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Cisco gateway is connecte to a PBX with an Qsig interface, for a particualr destination number the calls are not gettin estabilished. the output of the Q931 debug : Aug 16 16:17:46.145: ISDN Se0/0/0:23 Q931: RX <- SETUP pd = 8  callref = 0x7E05      ...

Hi guys. I have restricted versions of running CUCM, CUC and IM&P . Few weeks ago cisco tac technicians provided me images to upgrades (v11.x) for  our running platforms (v10.5), at that time "restricted or unrestricted" thing was  out of my head, an...

Please can you advise where can I find out if Finesse which will be running on CUCM v11.5 and using SIP trunks going to our cluster which houses the UCCX v11.5 platform and the CRM being presently used by a customer on a PBX in the Cloud is ACT. I ha...

DerekM by Level 1
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Hello,Any thoughts on this error message from Exchange 2010, will be highly appreciated ms-diagnostics: 15602;source="XXXXX01.YYYYY.local";reason="The Unified Messaging server is not authorized to accept calls from this SIP peer." Fault: external cal...

Dears, i have cucm 9.1 and cisco jabber for windows 11.7.no cup installed and no ldap integration.all the users are created manually.  the cucm server has no DNS address configure on it , but there is a domain controller and dns server on the network...