<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div><span style="font-size: 12pt;">Fraser,</span></div><div><span style="font-size: 12pt;">> play the audio file when the land line is answered.</span></div><div><span style="font-size: 12pt;"><br></span></div><div><span style="font-size: 16px;">Twilio supports this service. I don't know their rates but they are very competitive on SMS rates. I wrote a Twilio SMS driver on CPAN.</span></div><div><span style="font-size: 16px;"><br></span></div><div><span style="font-size: 16px;">If you have hardware like a RAS (e.g. Patton) you might be able to do something without the middleman service but I doubt it would be as cheap as what Twilio provides.</span></div><div><span style="font-size: 16px;"><br></span></div><div><span style="font-size: 16px;"> I looked into doing something like this over a modem at one time but it did not seem possible.</span></div><div><span style="font-size: 12pt;"><br></span></div><div><span style="font-size: 16px;">Michael R. Davis </span></div><div><span style="font-size: 16px;">mrdvt92 </span></div><div><span style="font-size: 16px;"><br></span></div><div><span style="font-size: 16px;">CPAN mrdvt </span></div></body></html>