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 ...

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Translator by Community Manager
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HelloMy CUCM use UCSC-C420-M4S2 appliance and this appliance running under vmware esxi 6.7.I have to plan to upgrade the esxi to version 7 for this appliance, anyone know it's safe to upgrade esxi version for this appliance?

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hs08 by Spotlight
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Does anyone have any supported documentation on how to get ISE manage the LSC certificate between CUCM and Firepower VPN?  I have been able to successfully get a firepower RA VPN to work using the LSC certificate between CUCM and Firepower.  I now wa...

IP_Cartel by Level 1
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Hi Community.Have a problem with SCCP start.Trying to setup it with https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/manual/cmeadm/cmeconf.htmlBut have a problem with TCP_CONN_ERROR for Conference application.What am i mi...

The title may be somewhat misleading, but I am running into an issue with our CUBE.  We own an entire NXX, originally on PRIs and slowly moving it over to ATT IP Flex.  Some of our numbers from our NXX have been ported to our corporate phone system s...

Hi We have a CUBE that connects to a provider. The From field (INVITE) has the following format when send to provider: From: "<name as configured on IP phone>" <sip:extension@provider> What provider wants now is: From: "<extension>" <sip:main-number@...