home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!spool.mu.edu!agate!ames!lll-winken!telecom-request
- From: rickie@trickie.ualberta.ca (Richard Nash)
- Newsgroups: comp.dcom.telecom
- Subject: Re: Does SS7 Support Early Busy Signal?
- Message-ID: <telecom12.866.7@eecs.nwu.edu>
- Date: 22 Nov 92 02:14:33 GMT
- Sender: Telecom@eecs.nwu.edu
- Organization: TELECOM Digest
- Lines: 36
- Approved: Telecom@eecs.nwu.edu
- X-Submissions-To: telecom@eecs.nwu.edu
- X-Administrivia-To: telecom-request@eecs.nwu.edu
- X-Telecom-Digest: Volume 12, Issue 866, Message 7 of 12
-
- Peter Capek writes:
-
- > While trying to make a credit card call to a persistently busy number
- > recently, after typing in the card number for the n-teenth time, I
- > wondered if SS7 protocol would allow the calling exchange to "look
- > ahead" at the called number and inquire if it is (at that instant)
- > busy, before prompting me for the card number. Of course, I might
- > still get a busy if either the line became busy after I keyed in the
- > credit card number, or if the response to the query didn't make it
- > back to the originating exchange in time. The advantage (to me) would
- > be not having to repeatedly pound in the billing. The advantage
- > (small) to the carrier would be not having to do the credit card
- > verification, and perhaps getting the line on which I'm calling free a
- > bit quicker. If the call in question were third party bill, or
- > collect, the savings could be a lot greater.
-
- Unfortunately in a basic call setup message, 0+ wants to first secure
- the billing method before determining the state of the called party
- line. Yes, it would be possible to determine the line state of the
- called party first, but this would require actually connecting to the
- called party first, playing out an announcement to advise them to wait
- while the billing information was secured, and then either advising
- them that the calling party will be with them or that the calling
- party's credit check has failed.
-
- Correct me if I am wrong, but SS7 does not have a 'prober' style
- message that asks the far end to return information of the busy/idle
- status of a line. In fact, it is telco optional as to whether or not
- the treatment will actually be returned back to the originating end.
-
-
- Richard Nash Edmonton, Alberta Canada T6K 0E8
- UUCP: rickie%trickie@ersys.edmonton.ab.ca
- Amatuer Radio Packet: VE6BON @ VE6MC.AB.CAN.NA
- VE6BON.ampr.org [44.135.147.206]
-