Why not just ask them to "press-any-key" ? > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > DUSTIN WILDES > Sent: Thursday, 30 October 2003 12:30 AM > To: [EMAIL PROTECTED] > Subject: RE: [Asterisk-Users] Answering Machine Detection > > > Thanks for all the info! > So I take it I would need to either build an additional APP > to asterisk like (voice_detection) or into an AGI and have > that application or AGI run after the call is Answered? > > Fortunately it's not a telemarketing system! :-) > It's an appointment reminder system for some of our > employees. Calls them up and reminds them of important tasks > like meetings and stuff. > > > > > -----Original Message----- > From: Michiel Betel [mailto:[EMAIL PROTECTED] > Sent: Wednesday, October 29, 2003 8:11 AM > To: [EMAIL PROTECTED] > Subject: RE: [Asterisk-Users] Answering Machine Detection > > > See > http://resource.intel.com/telecom/support/documentation/unix/S > R50_linux/html > _files/vox_feat/contents.html#TopOfPage chapter 2 for a basic > insight on > Dialogic does it... > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Eric Wieling > Sent: woensdag 29 oktober 2003 3:12 > To: [EMAIL PROTECTED] > Subject: Re: [Asterisk-Users] Answering Machine Detection > > > Humans tend to say "Hello?" (short burst of audio followed by > silence), and > answering machines tend to say "I'm sorry I'm not here right > now, please > leave a message after the beep" (long burst of audio followed > by a beep and > silence). > > So, basically you need to decide 1) what is audio and what is > background > noise and 2) how long should there be audio followed by silence. > > On Tue, 2003-10-28 at 19:25, Alastair Maw wrote: > > On 27/10/03 21:57, DUSTIN WILDES wrote: > > > Does anyone have any recommendations on implementing Answering > > > Machine detection for call generation programs? > > > > There's obviously no nice way of doing this. > > If you're doing telemarketing, and you're playing > pre-recorded audio, > > which of course is a nasty thing to do, the algorithm is > something like: > > > > 1. Dial out. > > 2. Wait for answer. > > 3. Start playing audio. > > 4. If you hear something that sounds like a beep, either hang up > > and try again later, or stop the audio, pause for two seconds > > and start playing it again. > > 5. Hang up when finished playing audio. > > > > Step 4 is accomplished by doing a FFT on the incoming audio into > > frequency buckets and taking a rolling average of the mean > and standard > > deviation, such that you can detect when a fixed monotone > beep occurs at > > the other end. > > > > > > If you don't want to play audio files and wait for beeps, > and want to > > connect real humans to each other, then there's no decent way to do > > this, as the only difference between humans and arbitrary answering > > machines is that the answering machines give you a beep > prompt to record > > your message. > > > > Regards, > -- > Sample configs, scripts, more : http://www.fnords.org/~eric/asterisk/ > > BTEL Consulting 504-899-1387 or 850-484-4545 or 877-677-9643 > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users >
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