Yealink T27G

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
480
Event
Description
Registered
When the IP phone successfully registers an account.
Unregistered
When the IP phone logs off the registered account.
Register Failed
When the IP phone fails to register an account.
Off Hook
When the IP phone is off hook.
On Hook
When the IP phone is on hook.
Incoming Call
When the IP phone receives an incoming call.
Outgoing Call
When the IP phone places a call.
Established
When the IP phone establishes a call.
Terminated
When the IP phone terminates a call.
Open DND
When the IP phone enables the DND mode.
Close DND
When the IP phone disables the DND mode.
Open Always Forward
When the IP phone enables the always forward.
Close Always Forward
When the IP phone disables the always forward.
Open Busy Forward
When the IP phone enables the busy forward.
Close Busy Forward
When the IP phone disables the busy forward.
Open NoAnswer Forward
When the IP phone enables the no answer forward.
Close NoAnswer Forward
When the IP phone disables the no answer forward.
Transfer Call
When the IP phone transfers a call.
Blind Transfer
When the IP phone performs the blind transfer.
Attended Transfer
When the IP phone performs the semi-attended/attended
transfer.
Hold
When the IP phone places a call on hold.
UnHold
When the IP phone resumes a held call.
Held
When a call of the IP phone is held.
UnHeld
When a held call is resumed.
Mute
When the IP phone mutes a call.
UnMute
When the IP phone un-mutes a call.
Missed Call
When the IP phone misses a call.
IP Changed
When the IP address of the IP phone changes.
Idle To Busy
When the state of the IP phone changes from idle to busy.