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- Newsgroups: comp.dcom.modems
- Path: sparky!uunet!nwnexus!ole!ssc!tad
- From: tad@ssc.wa.com (Tad Cook)
- Subject: Re: supra 2400 fast dial?
- Organization: very little
- Date: Fri, 14 Aug 1992 19:21:42 GMT
- Message-ID: <1992Aug14.192142.29606@ssc.wa.com>
- References: <A33752@HB.maus.de> <A13090@F.maus.de> <1992Aug11.205116.6912@eslvcr.wimsey.bc.ca>
- Lines: 28
-
- In article <1992Aug11.205116.6912@eslvcr.wimsey.bc.ca> ted@eslvcr.wimsey.bc.ca (Ted Powell) writes:
- >In article <A13090@F.maus.de> Sevo_Stille@f.maus.de (Sevo Stille) writes:
- >>b>Von : bill.young@canrem.com ("bill young") wrote:
- >>b>I remember someone mentioning awhile back that they had a modem that allowed
- >>b>them to change the speed of PULSE dialing. I've never seen this myself -
- >>b>does anyone know if it's possible and if so, which S register would affect
- >>b>it?
- >>I don't believe it - there would be no sense in changing the pulse dial speed,
- >>it's standardized.
- >
- >AT&T appears to disagree with you as to the usefulness of multiple pulse
- >rates. My AT&T "Nomad 800" cordless phone has a 3-way switch: 10-20-TT, for
- >Pulse (10/sec), Pulse (20/sec), Touch-Tone. I've never actually encountered
- >an exchange that could handle the higher pulse rate, but this does suggest
- >that they have at least existed at some time in the past (the phone was
- >manufactured in 1983).
- >
- The old AT&T crossbar exchanges (an electromechanical CO that replaced
- the step-by-step switches in the 1950s) could accept rotary dialing
- at 20 PPS. Newer exchanges want to see about 8 to 11 PPS with a break
- ratio of 58 to 64%.
-
-
-
- --
- Tad Cook | Phone: 206-527-4089 (home) | MCI Mail: 3288544
- Seattle, WA | Packet: KT7H @ N7DUO.WA.USA.NA | 3288544@mcimail.com
- | Internet: tad@ssc.wa.com or...sumax!ole!ssc!tad
-