Yealink SIP-T48G Administrator's Manual page 166

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Details of the Configuration Parameter:
features.save_call_history
Description:
Enables or disables the IP phone to save call log.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), the IP phone cannot log the missed calls, placed calls,
received calls and the forwarded calls in the call log lists.
Web User Interface:
Features->General Information->Save Call Log
Phone User Interface:
Menu->Features->History Setting
To configure call log feature via web user interface:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Save Call Log.
3. Click Confirm to accept the change.
To configure call log feature via phone user interface:
1. Press Menu->Features->History Setting.
152
Parameter Permitted Values Default
0 or 1 1