Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: Turning lucent winmodem into soundcard (RT-Linux -when?) | Date | 26 Sep 1999 23:07:46 GMT |
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Followup to: <87vh8x8hng.fsf@mulligatwani.msrl.com> By author: shields@msrl.com (Michael Shields) In newsgroup: linux.dev.kernel > > In article <37ED84D6.4491F577@infowebtelecom.com>, > Steve Underwood <steveu@infowebtelecom.com> wrote: > > Actually the USR modems usually do this wrong. Their tone detection is > > pathetic. The official approved Hong Kong version of the USR Sportster thinks > > our Hong Kong dial tone is busy tone, so I have to disable some of the tone > > detecting features. In any country the detector will only work part of the > > time. International calls obviously screw it. A laptop modem while roaming > > needs the tone detector turned off. > > You make a strong case for easily changed international tone detection > settings -- there should be an AT command to say that you are now in > Hong Kong. >
Well, the tones tend to depend on where you call *to*, not from. To make matters worse, sometimes the phone companies do generate the tones locally to reduce connect time, so you never really know.
Modem technology is such a hack... effectively driven by completely outdated telephone company pricing policies.
-hpa -- <hpa@transmeta.com> at work, <hpa@zytor.com> in private!
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