WaitForSignal()

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Waits for a named signal on a channel.

Last reviewed 2026-04-14

WaitForSignal(signalname[,signaltimeout])
Dialplan Builder -- build your WaitForSignal() command
Name of signal to send.
Maximum time, in seconds, to wait for signal.
Full arguments reference
  • signalname required - Name of signal to send.
  • signaltimeout - Maximum time, in seconds, to wait for signal.
Description

Waits for signaltimeout seconds on the current channel to receive a signal with name signalname. Acts as a consumer in a simple message queue.

Result of signal wait will be stored in the following variables:

  • WAITFORSIGNALSTATUS
    • SIGNALED - Signal was received.
    • TIMEOUT - Timed out waiting for signal.
    • HANGUP - Channel hung up before signal was received.
  • WAITFORSIGNALPAYLOAD - Data payload attached to signal, if it exists
Wait for the workdone signal, indefinitely, and print out payload
same => n,WaitForSignal(workdone)
same => n,NoOp(Received: ${WAITFORSIGNALPAYLOAD})
Arguments
  • signalname required - Name of signal to send.
  • signaltimeout - Maximum time, in seconds, to wait for signal.
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