I am trying to use TONE_DETECT in a call that is made into a call centre and placed on hold, when the call has been answered by the agent (denoted by a dial tone of 2 seconds of dual tone 350Hz + 440Hz followed by 4 seconds of silence (North American dial tone), to act as a trigger t to bridge a call to our agent. I am using
exten => s,n,Set(TONE_DETECT(0,,d(5)crg(tonedetect-dialagent,s,1))=) which should look for dial tone on the rx channel with a decibel threshold of 5 (tried default and didn't work), and then jump to the context tonedetect-dialagent. The documentation on the use of the options for TONE DETECT offers no explanation on the syntax to use, so I have guessed the above. Does anyone know if this is correct usage of the function? Also it is still not detecting dial tone. I noticed in Asterisk 20 there is a new function called WaitForTone() App on its way https://wiki.asterisk.org/wiki/display/AST/Asterisk+20+Application_WaitForTone Anyone know anything about this? Thanks Steve
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