This functionality is available on IP Phones with the realease of Phone Firmware 8.0.3. Maybe your sets are running an older version?
Call History Management Improvements
Firmware release 8.0(3) supports several call history management improvements to give phone users more options for managing call logs. These improvements include:
Line associations for missed, placed, and received calls-Allows phone users to see which phone line a missed or received call was intended for, and which phone line was used to place an outgoing call. This option is relevant for users who have multiple phone lines.
Delete all records in a particular log-Allows phone users to delete all of the records in the displayed call log (Missed Calls, Placed Calls, or Received Calls).
Delete an individual call record-Allows phone users to delete the highlighted call record in any call log.
Call duration for placed and received calls-Allows phone users to see the call duration for the highlighted call record in the Placed and Received Calls logs.
To use the new call history management features on your phone, do the following:
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...