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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Resolved! Questions on MOH?

Hello Friends, Could someone help me understand my below questions. Thank you in advance. 1. I was told when a call was put on hold, only MTP can hold the RTP stream or the call till it resumes from hold. Is that true?  2. If two phones registered t...

Hi, I have upgraded a CUCM 8.5 to 11. The upgrade went OK, can see all devices/users etc. What is not working is the DRS menu. When I am going to Disaster Recovery System menu, I can see the menu, but whatever I click for example Backup/Backup Device...

Hi, we have a CUCM Cluster and use a private CA to create a Multi SAN Cert for the Cluster. We want to implement a SIP TLS Trunk to a gateway. The gateway have a self sing certificate. Now we want to import the Mutlisan Cert and root cert to the GW a...

j-lehmann by Level 4
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Dear All, I have two doubts regarding IP phone bootup process those are 1.As I understand that phone gets its VLAN information with the help of CDP, but how exactly CDP helps the phone with VOICE VLAN? 2.How does the phone know to send broadcast mess...

Syed by Level 3
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  • 3 replies
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Hello I have recently noticed that our CUCM servers are not backing up (problem with the backup server), while trying to resolve this I carried out a manual backup but noticed that getting following error from the SUB server "unable to contact server...