Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!texbell!vector!telecom-gateway From: loren@amcom.UUCP (loren cahlander) Newsgroups: comp.dcom.telecom Subject: Re: Precise Dial Tone & A Tone of the Past: No-Such-Number Message-ID:Date: 27 Sep 89 14:36:12 GMT Sender: news@vector.Dallas.TX.US Reply-To: loren@amcom.mn.org (Loren Cahlander) Organization: Amcom Software, Inc. Lines: 32 Approved: telecom-request@vector.dallas.tx.us X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@vector.dallas.tx.us X-TELECOM-Digest: volume 9, issue 417, message 9 of 9 In article Dave Troup writes: >X-TELECOM-Digest: volume 9, issue 406, message 1 of 12 > Does anyone know what the recording alert tones are? You know-those > dee-doo-DOO, "The number you have reached..." What are the frequencies > to them. Ive NEVER been able to find out what those are. > thanks in advance! From the documentation that I have, there are four different sequences of tones: First Tone Second Tone Third Tone Tone Tone freq length freq length freq length Name Description (Hz) (10 ms) (Hz) (10 ms) (Hz) (10 ms) ====================================================================== NC No Circuit 985.2 38.0 1428.5 38.0 1776.7 38.0 Found IC Operator 913.8 27.4 1370.6 27.4 1776.7 38.0 Intercept VC Vacant Circuit 985.2 38.0 1370.6 27.4 1776.7 38.0 RO ReOrder 913.8 27.4 1428.5 38.0 1776.7 38.0 Loren D. Cahlander AMCOM Software, Inc. 5555 West 78th St Suite Q UUCP: uunet!rosevax!nis!amcom!loren Minneapolis, MN 55435 (612) 829-7445