IP Telephony and Phones

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CUCM 8.6 upgrade to CUCM 10.x

Hi All, I have a customer that wishes to upgrade his 8.6 cucm/cuc cluster to 10.x. I have seen that its possible to perform a jump upgrade from 8.6 to 10.x. However what's the best practice here? I saw some comments on performing the below:1. Perform...

rramlal by Beginner
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  • 7 replies
  • 0 Helpful votes

CDR on CUCM 10.5

Hii have just implemented a solution of unified communications for a companythis client would like to have a server contains details of calls (called calling duration )My question : how can generate CDR on CUCM and export them on external serverand a...

abd88elhak by Beginner
  • 1327 Views
  • 2 replies
  • 0 Helpful votes

Call forwarding from Cisco Phone to External number OK but no Audio both ways

Hi All, We currently have the below call flow configured in our IPTEL environment.Phone(SCCP) -> CUCM -> SIP Trunk -> Gateway(ISDN) -> ISDN ProviderWhen we attempt call forwarding on an internal extension to both personal mobile and business mobile t...

Resolved! Class of Restrictions on CME

I have a CME running 7.1 code. I have been asked to configure restrictions on a phone so that it can only dial a predefined set of numbers which could include some local numbers, some national and some even international numbers and block the rest of...