FAQ Desktop - cancel_on_hold
Description
When this option is set to ‘off’, a call on hold cannot be cancelled by pressing the CANCEL button , but has to be taken up again and then canceled. This prevents the accidental cancellation of calls on hold.
Web User Interface
Setup - Advanced - Behavior (Tab) - Keys (Section) - Cancel Key on Held Call

Phone User Interface
N/A
Auto-provisioning
Parameter | Valid value |
|---|---|
<cancel_on_hold perm="PERMISSIONFLAGS">VALIDVALUE</cancel_on_hold> | <on>, <off> |
