Answering machine detection is usually accomplished by analysing the timing of the voice energy in the initial answer period. People usually answer by saying: "Hello", "Frank Giwerski", "Pencil sharpening department", or something fairly short, whereas answering messages are usually longer.
So, I think the usualy method is to have the software "listen" to the voice energy for some initial period until there's a pause, and decide based on the duration of this energy whether it's a human or machine. But listening for a beep, although less efficient maybe, might work too! Regards Scott Scott M. Stingel President, Emerging Voice Technology, Inc. Palo Alto California & London England www.evtmedia.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Clayton Smith Sent: Thursday, September 02, 2004 11:07 AM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: [Asterisk-Users] Leaving messages on answering machines (no its notspam) Hey there I'm trying to get asterisk to leave messages on answering machines So i have a pretty cool php notifying script (it notifys, it doesn't spam!!) to phones and cellphones Now all is fine if a human picks up, but if an answering machine picks up, well the script plays, but only the ending is recorded So really, the tricky part is knowing WHEN to leave a message Now to the best of my knowledge, there is no way to tell when an answering machine picks it (be it the "sprint cellphone operator", or a home owned cellphone), but i was thinking... I could play my script using an EAGI script So i get extensions to run an EAGI script, that then manages everything, So when the call is picked up, relay the message, but if a high pitched beep is detected (via the EAGI script), repeat the message from scratch Now I'm no expert on asterisk, and i can see that this method could be a little buggy, so I'm wondering if there are any suggestions or if there is a better way to leaving messages on answering machines Any help or suggestions will be greatly appreciated Thanks _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
