Reference
From PBXes
[edit] Applications
AbsoluteTimeout: Set absolute maximum time of call
AddQueueMember: Dynamically adds queue members
Answer: Answer a channel if ringing
Authenticate: Authenticate a user
BackGround: Play a file while awaiting extension
Busy: Indicate the Busy condition
ChanIsAvail: Check channel availability
CheckGroup: Check the channel count of a group against a limit
Congestion: Indicate the Congestion condition
Cut: Splits a variable's contents using the specified delimiter
DBdel: Delete a key from the database
DBget: Retrieve a value from the database
DBput: Store a value in the database
Dial: Place a call and connect to the current channel
DigitTimeout: Set maximum timeout between digits
Echo: Echo audio read back to the user
Goto: Jump to a particular priority, extension, or context
GotoIf: Conditional goto
GotoIfTime: Conditional Goto based on the current time
Hangup: Hang up the calling channel
Macro: Macro Implementation
MeetMe: MeetMe conference bridge
NoCDR: Tell Asterisk to not maintain a CDR for the current call
NoOp: Do Nothing
NVFaxDetect: Detects fax sounds on all channel types (IAX and SIP too)
Pickup: Directed Call Pickup
Playback: Play a file
PlayTones: Play a tone list
PrivacyManager: Require phone number to be entered, if no CallerID sent
Queue: Queue a call for a call queue
Read: Read a variable
RemoveQueueMember: Dynamically removes queue members
ResetCDR: Resets the Call Data Record
ResponseTimeout: Set maximum timeout awaiting response
SayDigits: Say Digits
SayUnixTime: Says a specified time in a custom format
Set: Set channel variable(s) or function value(s)
SetCallerID: Set CallerID
SetCIDName: Set CallerID Name
SetGroup: Set the channel's group
SetVar: Set channel variable(s)
SIPAddHeader: Add a SIP header to the outbound call
StopMonitor: Stop monitoring a channel
StopPlayTones: Stop playing a tone list
VoiceMail: Leave a Voicemail message
VoiceMailMain: Check Voicemail messages
Wait: Waits for some time
WaitExten: Waits for an extension to be entered
[edit] Functions
VMCOUNT VMCOUNT(vmbox[@context][|folder]) Counts the voicemail in a specified mailbox
CALLERID CALLERID(datatype) Gets or sets Caller*ID data on the channel.
SORT SORT(key1:val1[...][,keyN:valN]) Sorts a list of key/vals into a list of keys, based upon the vals
CUT CUT(<varname>,<char-delim>,<range-s Slices and dices strings, based upon a named delimiter.
QUEUEAGENTCOUNT QUEUEAGENTCOUNT(<queuename>) Count number of agents answering a queue
URIENCODE URIENCODE(<data>) Encodes a string to URI-safe encoding.
URIDECODE URIDECODE(<data>) Decodes an URI-encoded string.
TXTCIDNAME TXTCIDNAME(<number>) TXTCIDNAME looks up a caller name via DNS
ENUMLOOKUP ENUMLOOKUP(number[,Method-type[,opt ENUMLOOKUP allows for general or specific querying of NAPTR records or counts of NAPTR types for ENUM or ENUM-like DNS pointers
CHECKSIPDOMAIN CHECKSIPDOMAIN(<domain|IP>) Checks if domain is a local domain
SIPCHANINFO SIPCHANINFO(item) Gets the specified SIP parameter from the current channel
SIPPEER SIPPEER(<peername>[:item]) Gets SIP peer information
SIP_HEADER SIP_HEADER(<name>) Gets or sets the specified SIP header
MUSICCLASS MUSICCLASS() Read or Set the MusicOnHold class
LANGUAGE LANGUAGE() Gets or sets the channel's language.
TIMEOUT TIMEOUT(timeouttype) Gets or sets timeouts on the channel.
DB_EXISTS DB_EXISTS(<family>/<key>) Check to see if a key exists in the Asterisk database
DB DB(<family>/<key>) Read or Write from/to the Asterisk database
IFTIME IFTIME(<timespec>?[<true>][:<false> Temporal Conditional: Returns the data following '?' if true else the data following ':'
IF IF(<expr>?[<true>][:<false>]) Conditional: Returns the data following '?' if true else the data following ':'
EXISTS EXISTS(<data>) Existence Test: Returns 1 if exists, 0 otherwise
SET SET(<varname>=[<value>]) SET assigns a value to a channel variable
ISNULL ISNULL(<data>) NULL Test: Returns 1 if NULL or 0 otherwise
CDR CDR(<name>[|options]) Gets or sets a CDR variable
STRFTIME STRFTIME([<epoch>][,[timezone][,for Returns the current date/time in a specified format.
LEN LEN(<string>) Returns the length of the argument given
REGEX REGEX("<regular expression>" <data> Regular Expression: Returns 1 if data matches regular expression.
FIELDQTY FIELDQTY(<varname>,<delim>) Count the fields, with an arbitrary delimiter
GROUP_LIST GROUP_LIST() Gets a list of the groups set on a channel.
GROUP GROUP([category]) Gets or sets the channel group.
GROUP_MATCH_COUNT GROUP_MATCH_COUNT(groupmatch[@categ Counts the number of channels in the groups matching the specified pattern
GROUP_COUNT GROUP_COUNT([groupname][@category]) Counts the number of channels in the specified group
MATH MATH(<number1><op><number 2>[,<type Performs Mathematical Functions
CHECK_MD5 CHECK_MD5(<digest>,<data>) Checks an MD5 digest
MD5 MD5(<data>) Computes an MD5 digest
