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- Path: sparky!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!news.acns.nwu.edu!telecom-request
- Date: Thu, 31 Dec 1992 13:34:53 -0500
- From: Mike Arena <arena@credtech.com>
- Newsgroups: comp.dcom.telecom
- Subject: What Are the Prefix "Codes" For Tone Dialing?
- Reply-To: arena@credtech.com (Mike Arena)
- Message-ID: <telecom12.928.11@eecs.nwu.edu>
- Organization: Credit Technologies Inc.
- Sender: Telecom@eecs.nwu.edu
- 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 928, Message 11 of 13
- Lines: 61
-
- I have heard that there are codes with which you can precede dial
- strings so that you can disable call-waiting, etc.
-
- What are these codes? Are they carrier dependent?
-
-
- Michael James Arena Credit Technologies Inc.
- arena@credtech.com 281 Winter Street, Suite #100
- (617) 890-2000 x237 Waltham, MA 02154
-
-
- [Moderator's Note: Features like call-waiting and number blocking are
- local telco things and have nothing to do with long distance carriers.
- Since we (mostly) cannot choose local carriers yet, the codes are not
- 'carrier dependent'. The ones I know of are:
-
- *70 suspend call waiting for the duration of the call which follows.
- If you have three-way calling, you can flash and insert this in the
- middle of an incoming call as well, automatically returning to the
- call in progress.
-
- *67 block (or unblock, in other words, change the default) of number
- identification (blocking) sent to the number being called. If you wish
- to use *67 and *70 on the same call, you can do so; I suggest using
- the *67 FIRST, since in some generics it is ignored if it is not the
- very first thing you dial; Lord knows you could probably deal with a
- call waiting tone you did not expect with more ease than you could
- giving away your number to someone you did not think you were giving
- it to.
-
- *72 followed by seven or ten digits forwards calls to the number
- dialed. *73 standing alone (dial it, then disconnect) cancels call
- forwarding.
-
- There are others:
-
- *69 return last call -received- . *66 repeat dial last call -placed-.
- *86 or *89 erases the queue of returns/repeats. (Either code cancels both.)
- *60 activate call screening
- *80 deactivate call screening
- *65 turn on delivery of caller id (if you are subscribed)
- *85 turn off delivery of caller id (why would anyone want to do this?)
- *74 plus seven or ten digits programs eight number speed dialing.
- *75 plus seven or ten digits programs 32 number speed dialing.
-
- There are still others; the above are the most common. In most places,
- an eleven, i.e. '11' can be substituted for the *. In other places,
- they don't use the *, but they put a # after the two digits. In some
- places, silence is the delimiter; you can dial 70 and then just sit
- there waiting; after a few seconds you'll get the burps and a fresh
- dial tone to continue with the string.
-
- Finally, the # acts as a carriage return; if short cut dialing is
- possible but many be ambiguous, adding # to the end hastens the
- process of sending the call on its way, i.e. international dialing of
- variable length numbers and using just the calling card PIN when
- calling the number to which the card is assigned. Ditto, 0# tends to
- get the operator faster without having to wait for the zero plus
- process to time out. Is that good enough for starters? PAT]
-
-