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DEVICE_STATE()

Synopsis

Get or Set a device state.

Description

The DEVICE_STATE function can be used to retrieve the device state from any device state provider. For example:

NoOp(SIP/mypeer has state ${DEVICE_STATE(SIP/mypeer)})

NoOp(Conference number 1234 has state ${DEVICE_STATE(MeetMe:1234)})

The DEVICE_STATE function can also be used to set custom device state from the dialplan. The Custom: prefix must be used. For example:

Set(DEVICE_STATE(Custom:lamp1)=BUSY)

Set(DEVICE_STATE(Custom:lamp2)=NOT_INUSE)

You can subscribe to the status of a custom device state using a hint in the dialplan:

exten => 1234,hint,Custom:lamp1

The possible values for both uses of this function are:

UNKNOWN | NOT_INUSE | INUSE | BUSY | INVALID | UNAVAILABLE | RINGING | RINGINUSE | ONHOLD

Syntax

DEVICE_STATE(device)
Arguments
  • device

See Also

Import Version

This documentation was imported from Asterisk Version Unknown

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1 Comment

  1. Matt Lehner

    With Asterisk 1.8, you must set the callcounter = yes variable in sip.conf global section or on the devices you want to monitor. DEVICE_STATE will return NOT_INUSE otherwise.