Yealink SIP-T4X Administration Manual page 172

Event
Incoming Call
Outgoing Call
Established
Terminated
Open DND
Close DND
Open Always Forward
Close Always Forward
Open Busy Forward
Close Busy Forward
Open No Answer Forward
Close No Answer Forward
Transfer Call
Blind Transfer
Attended Transfer
Hold
UnHold
Mute
UnMute
Missed Call
IP Changed
Forward Incoming Call
Reject Incoming Call
Answer New-In Call
Transfer Finished
Transfer Failed
Idle to Busy
Busy to Idle
An HTTP or HTTPS GET request may contain variable name and variable value,
separated by "=". Each variable value starts with $ in the query part of the URL. The
valid URL format is: http(s)://IP address of server/help.xml?variable name=$variable
Description
When the IP phone receives an incoming call.
When the IP phone places a call.
When the IP phone establishes a call.
When the IP phone terminates a call.
When the IP phone enables the DND mode.
When the IP phone disables the DND mode.
When the IP phone enables the always forward.
When the IP phone disables the always forward.
When the IP phone enables the busy forward.
When the IP phone disables the busy forward.
When the IP phone enables the no answer forward.
When the IP phone disables the no answer forward
When the IP phone transfers a call.
When the IP phone blind transfers a call.
When the IP phone performs the attended transfer.
When the IP phone places a call on hold.
When the IP phone retrieves a hold call.
When the IP phone mutes a call.
When the IP phone unmutes a call.
When the IP phone misses a call.
When the IP address of the IP phone changes.
When the IP phone forwards an incoming call.
When the IP phone rejects an incoming call.
When the IP phone answers a new call.
When the IP phone completes to transfer a call.
When the IP phone fails to transfer a call.
When the state of the IP phone changes from idle to
busy.
When the state of phone changes from busy to idle.
Configuring Advanced Features
157