ToneScan()¶
Synopsis¶
Wait for period of time while scanning for call progress tones
Description¶
Waits for a a distinguishable call progress tone and then exits. Unlike a conventional scanner, this is not currently capable of scanning for modem carriers.
-
TONESCANSTATUS
-
RINGING
- Audible ringback tone -
BUSY
- Busy tone -
SIT
- Special Information Tones -
VOICE
- Human voice detected -
DTMF
- DTMF digit -
FAX
- Fax (answering) -
MODEM
- Modem (answering) -
DIALTONE
- Dial tone -
NUT
- UK Number Unobtainable tone -
TIMEOUT
- Timeout reached before any positive detection -
HANGUP
- Caller hung up before any positive detection
-
Syntax¶
Arguments¶
-
zone
- Call progress zone. Default is the system default. -
timeout
- Maximum amount of time, in seconds, to wait for call progress or signal tones. Default is forever. -
threshold
- DSP threshold required for a match. A higher number will require a longer match and may reduce false positives, at the expense of false negatives. Default is 1. -
options
-
f
- Enable fax machine detection. By default, this is disabled. -
v
- Enable voice detection. By default, this is disabled.
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See Also¶
Generated Version¶
This documentation was generated from Asterisk branch 22 using version GIT