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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Hi,I have to upgrade a virtualized CUCM cluster (PUB, SUB1, SUB2, TFTP) version 8.6.2 SU3 to version 10.5.As per documentation this should be a direct refresh upgrade and no need of PCD to do it.Based on the documentation the main steps of the upgrad...

Hello,I tried to upgrade my Cisco IP phone7940 from SCCP to SIP. After files uploads, the phone display "Protocol Application Invalid" in the LCD Screen.The menu button is not enable.What is my problem, can you help me.Best regards

jayul2010 by Level 1
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Hi, On Callmanager the following will give the phones where CFA is set:run sql select d.name as device, n.dnorpattern, cfd.cfadestination from device as d inner join devicenumplanmap as dmap on dmap.fkdevice=d.pkid inner join numplan as n on dmap.fkn...