Grandstream Networks GXP21 Series

VPK Mode State Icon
LED
Status
Registered + Call Forward Delay
(No IM, No Voice Mail, No Call Forward Busy)
OFF
Unregistered + Call Forward Busy
(No IM, No Voice Mail, No Call Forward Delay)
OFF
Registered + Call Forward Busy
(No IM, No Voice Mail, No Call Forward Delay)
OFF
Registered + Ringing Flashing RED
Registered + On Hold Flashing GREEN
Registered + Connected + Incoming Call GREEN
Registered + Connected + Outgoing Call GREEN
Shared Line Unregistered
OFF
Registered + Not support SCA Call-info header OFF
Registered + Not support SCA or SCA Failed OFF
Registered + Idle OFF
Registered + Seized RED(Alternate DUT)
Registered + Processing
Flashing GREEN(Alternate
DUT)
Registered + Alert Flashing RED
Registered + Hold by user Flashing GREEN
Registered + Hold by the other party Flashing RED
Registered + Connected GREEN
BLF/
Eventlist BLF
Offline, Unknown
OFF
Terminated GREEN