Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!pacbell.com!lll-winken!telecom-request From: halcyon!ralphs@sumax.seattleu.edu (Ralph Sims) Newsgroups: comp.dcom.telecom Subject: Re: Can You Disable Call-Waiting AFTER the Call Starts? Message-ID: Date: 21 Mar 91 16:42:33 GMT Sender: Telecom@eecs.nwu.edu Organization: The 23:00 News and Mail Service Lines: 25 Approved: Telecom@eecs.nwu.edu X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@eecs.nwu.edu X-Telecom-Digest: Volume 11, Issue 225, Message 3 of 12 scott@hsvaic.boeing.com writes: >> [Moderator's Note: On my US Robotics Courier 2400 modem, you use '!' >> to force the modem to flash the hook. >> I guess you would get the modem's attention, with three plusses or >> whatever, followed by ATDT !*70 O, where the final letter 'O' means >> for the modem to go back on line. PAT] > Unfortunately as soon as you switch the line over the modem on the > other end would drop the connection. Modems need to be in continuous > contact else they give up. That is why a call-waiting beep will > usually knock you off line. > [Moderator's Note: And also, even if you did keep your modem on line, > when the phone line clicked out for a minute to allow your *70 input, > the distant end would think carrier had been lost. You really can't > win on this unless all modems everywhere were similarly adjusted. PAT] Right! S9=20 and S10=20 should keep the modems online even with a two-second drop in carrier. NOTE: the caveat is that BOTH modems need to be set up in this manner! Dragging the settings out a bit might be necessary to do the three +'s, etc. to get the modem back to command status. Ghads! This stuff can be a Black Art!