Path: utzoo!news-server.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!ucbvax!agate!telecom-request From: mcmahan@netcom.com (Dave Mc Mahan) Newsgroups: comp.dcom.telecom Subject: Can You Disable Call-Waiting AFTER the Call Starts? Message-ID: Date: 11 Mar 91 04:07:01 GMT Sender: Telecom@eecs.nwu.edu Organization: Dave McMahan @ NetCom Services Lines: 34 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 197, Message 3 of 7 I am involved in putting together a product for a medical application. We are using a phone modem to transfer data from the home of a patient to a diagnostic center where it can be processed. Most of our patients are old and are do not understand the intricacies of the modern phone system. The big problem we run into is that many patients have Call-Waiting. As most of you know, this causes big problems for a modem link. The application allows us to place a voice call and then switch to modem data when it comes time to retrieve the info. My question is, "Is there any way to disable Call-Waiting AFTER a call has been placed and a voice connection exists?". I'm looking for an answer of "No way", or "Yes, and this is how you do it.". Please e-mail your response to me directly. Thank you for your knowledge in this matter. Dave McMahan mcmahan@netcom.com {apple,amdahl,claris}!netcom!mcmahan [Moderator's Note: In many exchanges, the party wishing to suspend call-waiting once a call is underway can do so by flashing, getting new dial tone and dialing *70. They are then automatically returned to the call in progress, with call-waiting turned off for the duration of the call. Some of the exchanges which allown this suspension of call-waiting after a call has started require that the phone be equipped with three-way calling or some other valid reason for flashing the switchhook in the middle of a call, other than merely to cancel call-waiting. PAT]