Applications

Dialplan Applications

Applications are invoked from the dialplan and perform call-control, media, queue, voicemail, recording, utility or integration work.

This page lists the application modules present in the current source tree.

Core Call-Control Applications

Module	Purpose
app_dial	Dial channels and bridge calls.
app_bridge	Bridge application.
app_transfer	Transfer a caller to another extension.
app_channelredirect	Redirect a channel to a dialplan target.
app_softhangup	Hang up a requested channel.
app_originate	Originate calls.
app_stack	Gosub, Return and dialplan subroutines.
app_macro	Legacy dialplan macros.
app_exec	Execute dialplan applications dynamically.
app_while	While loops and conditional execution.

Media Playback And Recording

Module	Purpose
app_playback	Play sound files.
app_controlplayback	Controlled playback.
app_record	Record audio.
app_mixmonitor	Mixed audio monitoring/recording.
app_echo	Echo test application.
app_milliwatt	Digital milliwatt test.
app_playtones	Generate tones.
app_waitforsilence	Wait for silence/noise.
app_talkdetect	Playback with talk detection.
app_mp3	MP3 playback helper.
app_nbscat	NBS stream helper.
app_ices	Encode and stream via Icecast/Ices.

Queues, Conferences And Groups

Module	Purpose
app_queue	Call queueing.
app_confbridge	Conference bridge application.
app_meetme	MeetMe conference bridge.
app_page	Page multiple phones.
app_followme	Find-me/follow-me.
app_directed_pickup	Directed call pickup.
app_chanspy	Listen to active channel audio.
app_dahdibarge	Barge into DAHDI channels.

Voicemail And Messaging

Module	Purpose
app_voicemail	Full voicemail system.
app_minivm	Minimal voicemail e-mail system.
app_sms	SMS/PSTN handler.
app_sendtext	Send text applications.
app_senddtmf	Send DTMF digits.
app_url	Send URL applications.

Data, Variables And Dialplan Utility

Module	Purpose
app_read	Read digits into a variable.
app_readexten	Read and validate an extension.
app_readfile	Store file output into a variable.
app_db	Database access applications.
app_dumpchan	Dump channel variables.
app_verbose	Send verbose output.
app_userevent	Generate custom user events.
app_cdr	Control CDR generation for current call.
app_celgenuserevent	Generate user-defined CEL events.

Authentication, Screening And Access

Module	Purpose
app_authenticate	Authentication application.
app_privacy	Require phone number when Caller ID is missing.
app_disa	Direct Inward System Access.
app_chanisavail	Check channel availability.
app_amd	Answering machine detection.
app_zapateller	Telemarketer blocking tone.

Fax, Speech And IVR

Module	Purpose
app_fax	Simple fax send/receive application.
app_speech_utils	Speech dialplan applications.
app_externalivr	External IVR interface.
app_ivrdemo	IVR demo application.
app_festival	Festival TTS interface.
app_directory	Extension directory.

Time, Language And Prompt Helpers

Module	Purpose
app_sayunixtime	Say time.
app_saycounted	Language-aware counted words.
app_morsecode	Morse code playback.
app_waituntil	Sleep until an epoch time.
app_waitforring	Wait for first ring after a time.

Telephony And Hardware Specific

Module	Purpose
app_flash	Flash a DAHDI trunk.
app_dahdiras	DAHDI ISDN remote access server.
app_getcpeid	Get ADSI CPE ID.
app_adsiprog	ADSI programming application.
app_alarmreceiver	Alarm receiver.

Integrations And GABPBX-Specific Applications

Module	Purpose
app_fastcall	GAB FastCall application.
app_bot9000	GAB Bot9000 application.
app_osplookup	Open Settlement Protocol applications.
app_jack	JACK audio interface.
app_dictate	Virtual dictation machine.
app_image	Image transmission.
app_skel	Skeleton sample application.
app_test	Interface test application.

Add-on Applications

Module	Purpose
app_mysql	MySQL application add-on.
app_saycountpl	Polish counted-word application add-on.

Notes

Application behavior is documented by source comments and the in-tree XML documentation (core-en_US.xml and the per-module <application> blocks). The source file is authoritative.