SendMF()

Since 16.21.0, 18.7.0 Applications Found this useful? Upvote it. ×

Sends arbitrary MF digits on the current or specified channel.

Last reviewed 2026-04-14

SendMF(digits[,timeout_ms,duration_ms,duration_ms_kp,duration_ms_st,channel])
Dialplan Builder -- build your SendMF() command
List of digits 0-9,*#ABC to send; w for a half-second pause, also f or F for a flash-hook if the channel supports flash-hook, h or H for 250 ms of 2600 Hz, and W for a wink if the channel supports wink.
Amount of time to wait in ms between tones. (defaults to 50ms).
Duration of each numeric digit (defaults to 55ms).
Duration of KP digits (defaults to 120ms).
Duration of ST, STP, ST2P, and ST3P digits (defaults to 65ms).
Channel where digits will be played
Full arguments reference
  • digits required - List of digits 0-9,*#ABC to send; w for a half-second pause, also f or F for a flash-hook if the channel supports flash-hook, h or H for 250 ms of 2600 Hz, and W for a wink if the channel supports wink.
  • timeout_ms - Amount of time to wait in ms between tones. (defaults to 50ms).
  • duration_ms - Duration of each numeric digit (defaults to 55ms).
  • duration_ms_kp - Duration of KP digits (defaults to 120ms).
  • duration_ms_st - Duration of ST, STP, ST2P, and ST3P digits (defaults to 65ms).
  • channel - Channel where digits will be played
Description

It will send all digits or terminate if it encounters an error.

Arguments
  • digits required - List of digits 0-9,*#ABC to send; w for a half-second pause, also f or F for a flash-hook if the channel supports flash-hook, h or H for 250 ms of 2600 Hz, and W for a wink if the channel supports wink.
  • timeout_ms - Amount of time to wait in ms between tones. (defaults to 50ms).
  • duration_ms - Duration of each numeric digit (defaults to 55ms).
  • duration_ms_kp - Duration of KP digits (defaults to 120ms).
  • duration_ms_st - Duration of ST, STP, ST2P, and ST3P digits (defaults to 65ms).
  • channel - Channel where digits will be played
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Applications
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ConfBridge() MusicOnHold() StartMusicOnHold() StopMixMonitor() ADSIProg() AELSub() AGI() AMD() AddQueueMember() AgentLogin() AgentRequest() AlarmReceiver() Answer() AttendedTransfer() AudioSocket() Authenticate() Background() BackgroundDetect() BlindTransfer() Bridge() BridgeAdd() BridgeWait() Broadcast() Busy() CELGenUserEvent() CallCompletionCancel() CallCompletionRequest() ChanIsAvail() ChanSpy() ChangeMonitor() ChannelRedirect() ClearHash() ConfKick() Congestion() ContinueWhile() ControlPlayback() DAHDIAcceptR2Call() DAHDIRAS() DAHDIScan() DAHDISendCallreroutingFacility() DAHDISendKeypadFacility() DBdeltree() DISA() DateTime() DeadAGI() Dial() Dictate() Directory() DumpChan() EAGI() Echo() Else() ElseIf() EndIf() EndWhile() Exec() ExecIf() ExecIfTime() ExitIf() ExitWhile() ExtenSpy() ExternalIVR() Festival() Flash() FollowMe() ForkCDR() GetCPEID() Gosub() GosubIf() Goto() GotoIf() GotoIfTime() Hangup() HangupCauseClear() IAX2Provision() ICES() IVRDemo() If() ImportVar() Incomplete() JACK() JabberJoin() JabberLeave() JabberSend() JabberSendGroup() JabberStatus() Log() MP3Player() MSet() Macro() MacroExclusive() MacroExit() MacroIf() MailboxExists() MeetMe() MeetMeAdmin() MeetMeChannelAdmin() MeetMeCount() MessageSend() Milliwatt() MinivmAccMess() MinivmDelete() MinivmGreet() MinivmMWI() MinivmNotify() MinivmRecord() MixMonitor() Monitor() Morsecode() NBScat() NoCDR() NoOp() ODBCFinish() ODBC_Commit() ODBC_Rollback() OSPAuth() OSPFinish() OSPLookup() OSPNext() Originate() PJSIPHangup() PJSIPNotify() Page() Park() ParkAndAnnounce() ParkedCall() PauseMonitor() PauseQueueMember() Pickup() PickupChan() PlayTones() Playback() PrivacyManager() Proceeding() Progress() Queue() QueueLog() QueueUpdate() RaiseException() Read() ReadExten() ReceiveFAX() ReceiveMF() ReceiveSF() ReceiveText() Record() Reload() RemoveQueueMember() ResetCDR() RetryDial() Return() Ringing() SIPAddHeader() SIPDtmfMode() SIPRemoveHeader() SIPSendCustomINFO() SLAStation() SLATrunk() SMS() SayAlpha() SayAlphaCase() SayCountedAdj() SayCountedNoun() SayDigits() SayMoney() SayNumber() SayOrdinal() SayPhonetic() SayUnixTime() SendDTMF() SendFAX() SendImage() SendMF() SendSF() SendText() SendURL() Set() SetAMAFlags() Signal() SkelGuessNumber() SoftHangup() SpeechActivateGrammar() SpeechBackground() SpeechCreate() SpeechDeactivateGrammar() SpeechDestroy() SpeechLoadGrammar() SpeechProcessingSound() SpeechStart() SpeechUnloadGrammar() StackPop() Stasis() StatsD() StopMonitor() StopMusicOnHold() StopPlayTones() StoreDTMF() StreamEcho() System() TestClient() TestServer() ToneScan() Transfer() TryExec() TrySystem() UnpauseMonitor() UnpauseQueueMember() UserEvent() VMAuthenticate() VMSayName() Verbose() VoiceMail() VoiceMailMain() VoiceMailPlayMsg() Wait() WaitDigit() WaitExten() WaitForCondition() WaitForNoise() WaitForRing() WaitForSignal() WaitForSilence() WaitForTone() WaitUntil() While() Zapateller()