IP Telephony and Phones

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Hii, I recently migrate to cucm10.5 and I want to make a connection with Avaya G450. My question is what is the best practice to done this setup ( Sip or H323/E1).I have 2 voice routers 2921 and 11 E1 lines connected and 2 UCS servers with 1 PUB and ...

gabiulici by Level 1
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                   we have CM 9.1.1A and 6945 phones. once in a while the customer complains that when they pick up phone and dial, they hear dial tone, then silence until someone picks up call - no ringback.  this happens on all calls, extension to ...

pcampensa by Level 1
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Resolved! IP Phone features

Dear Member,I need your input in configuring this features in my environment.The environment has cucm configured all ip phones are working fine. But the following is required:1. MD want to be able to call secretary without dialing her number, he want...

adecisco by Level 1
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  • 1 replies
  • 0 Helpful votes

Hii have a voice gateway connected to PSTN via 3 BRI interfaces we are 12 users sometimes one of us can't make external calls : the number is dialed but the call not established and a busy toneMy question: the link with BRI interface normally allows ...

Hi all, I will be migrating from MGCP PRI over to SIP in the coming month and was trying to find out if I can use my 3945 to do both the CUBE and the PRI gateway functions at the same time while I'm doing the migration. I can always revert to an old ...

Troubleshooting SIP in Cisco Unified communications deployments with Cisco VIP Ayodeji OkanlawonThis is a Q&A Ask the Expert Session continuation from the Live WebcastAsk your questions on Session Initiation Protocol (SIP) and how it is redefining ou...

I have an India CUCM Cluster that needs to have restrictions on ad hoc conference calls that are being made between three participants (1-India PSTN caller, 2-Internal India Cluster phone and 3-Internal North American Cluster). India law doesn't perm...