IP Telephony and Phones

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We're doing the design for a CUMP 8.5 multi-cluster/multi-region deployment, and are looking at doing the CUCM <-> CUMP integration for the Audio/Video Nodes. Is there any benefit of 1 method vs. the other:1) Define all the AVN nodes within ONE SIP t...

Hi All,we recently upgraded a customer CUCM system from 6.1.2 to 9.1... it was a stepped upgrade, so in a lab environment we installed the customer version (6.1.2) and restored his data on my lab, then we stepped up to 6.1.4, then upgraded to 9.1..  ...

Hello, I can make calls from CUCM registered phones out to the PSTN no problem, however I cannot receive incoming calls from the PSTN.My CUCM is connected to a 2801 router gateway via a SIP trunk and this gateway communicates with my ITSP via SIP.I h...

fran19422 by Level 1
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  • 2 replies
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Hi Everyone,While I was trying a calls with ip phone call connected 2-3 second  later  and also when i clicked "end call" button  The call is discconect again lately,I try this hard phone and ip communicator the problem is always same.What can be don...

KY_ by Level 4
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  • 5 replies
  • 0 Helpful votes

Hello All,Please I have lots of FXO Cards I want to test. I am not okey with just show diag or show inventory as my Router can see the cards. I want to be able to dial into the cards or Router,I mean the telephone line connected to the fxs end (I hav...