Grandstream Networks GRP260X Series Administration Manual page 56

Call Operation
Off-hook Configures the Action URL to send when phone is in off-hook state.
On-hook Configures the Action URL to send when phone is in on-hook state.
Incoming Calls Configures the Action URL to send when phone receives an incoming call.
Outgoing Calls Configures the Action URL to send when phone places a call.
Missed Call Configures the Action URL to send when phone has a missed call.
Established Call Configures the Action URL to send when phone establishes a call.
Forwarded Call Configures the Action URL to send when phone forwards an incoming call.
Terminated Call Configures the Action URL to send when phone terminates a call.
Answered Call Configures the Action URL to send when phone answers an incoming call.
Rejected Call Configures the Action URL to send when phone rejects an incoming call.
Blind Transfer Configures the Action URL to send when phone performs blind transfer.
Attended
Configures the Action URL to send when phone performs attended transfer.
Transfer
Transfer
Configures the Action URL to send when phone successfully transfers a call.
Completed
Transfer failed Configures the Action URL to send when phone fails to transfer a call.
Hold Call Configures the Action URL to send when phone places a call on hold.
Unhold Call Configures the Action URL to send when phone resumes the call on hold.
Mute Call Configures the Action URL to send when phone mutes a call.
Unmute Call Configures the Action URL to send when phone unmutes a call.
Call Settings
Enable DND Configures the Action URL to send when phone enables DND.
Disable DND Configures the Action URL to send when phone disables DND.
Enable Call
Configures the Action URL to send when phone enables Call Forward.
Forward
Disable Call
Configures the Action URL to send when phone disables call forward.
Forward
Open Forward
Configures the Action URL to send when phone enables call forward always function.
Always