IP Telephony and Phones

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Hello, We are currently using a Be6000 system and when we schedule a call forwarding on our phones (model 7945) to external numbers, it works perfectly when the original call comes from an internal position, but when it is an external call then this ...

call forwarding.png
Translator by Community Manager
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when we pick up the ip phone and try to call remote branch office number, it is always busy, there is no network connectivity problem, may i know the steps to analyze from voice gateway, cucm and sip trunk?   how to troubleshoot sip trunk problem? th...

Mary by Level 1
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I have two 7975G phones connected to an asterisk server.  The phones can make calls.  I was wondering if the phones support the RFC 3428 for Instant Messaging.  So if a remote user sends a text message to one of the 7975G phones, that the phone would...

wkunice by Level 1
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Hello,   I have a new 8821 that is replacing a 7925g. Previously the 7925g had line 2 monitoring a global delivery mailbox, if that mailbox had a message there would be an envelope on line 2. if the main extension had a vm there would be an envelope ...

galbitz by Level 1
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Hello Everyone,   Very good Morning..   Wishing you very Happy New year to Everyone!!!!   I am very new in this domain, This year i decoded to do a CCIE in COLLAB, Before this i was in R&S. I need a great help and suggestion to setup a CCIE LAB at ho...