IP Telephony and Phones

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Hello Guys, Call Flow is -- PSTN --> PRI --> Voice RTR --> SIP Trunk --> CUCM --> IP Phone. When we dial from outside calls are not getting connected.  Error Message : "Unable to find a device handler for the request received on port 63565 from 100.2...

We have noticed in our CUCM version 11.5.1.12900-21 that remote destinations stop working if the users does not answer several calls in a row.   We have to go in and reset the destination by unchecking the line association and checking again.  This w...

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orddie234 by Level 7
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  • 1 replies
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Hello all.I am experiencing problems with hold calls. This is the scenario.    Case 1: extension 1010 (SCCP) calls 1012 (SIP)When 1010 calls to 1012:   2.1 - All devices (A, B and C) get ring.   2.2 - A answers.   2.3 - But the call is for C.   2.4 -...

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wrobynson by Level 1
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  • 5 replies
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I use a Cisco 7841 SIP Desk phone. I would like to create a single button to forward all calls to a specific phone number which I can hit when I leave my desk. Right now I have to use the softkey "FWD ALL" then punch in the 10 digit phone number. I w...