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- Newsgroups: uk.telecom
- Path: sparky!uunet!pipex!warwick!sunserver1.aston.ac.uk!uhura!evansmp
- From: evansmp@uhura.aston.ac.uk (Mark Evans)
- Subject: Re: OFTEL number changes
- Message-ID: <1992Nov23.172037.2364@aston.ac.uk>
- Sender: usenet@aston.ac.uk (Usenet administrator)
- Nntp-Posting-Host: uhura
- Organization: Aston University
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- References: <memo.762465@cix.compulink.co.uk>
- Date: Mon, 23 Nov 1992 17:20:37 GMT
- Lines: 38
-
- Jeremy Folkes (jeremyf@cix.compulink.co.uk) wrote:
- : In-Reply-To: mandarin@cix.compulink.co.uk (Richard Cox)
- :
- : Mr Cox writes:
- :
- : > "home banking" terminals. These lines do need to be identified by numbers
- : > even if they do not receive incoming calls. So home banking does create a
- :
- : This is something I always wondered about. Although I can see very
- : good administrative reasons for *all* PSTN lines having a national
- : number, it isnt *really* necessary. Now that BT (and I presume other
- : PTOs) have introduced separate account numbers, which at least for
- : residential customers are allocated one per line, it should be
- : possible to separate the "account" designation from the "port"
- : designation from the "directory number". After all, we are only
- : talking about the "customer visible" number..... the PTO can do
- : whatever they like internally.
-
- Consider the group 021 359 6531, there are infact 5 lines numbered consecutivly
- 021 359 6531 ... 021 359 6535.
- Only the first number in the group can be dialed, and will get the first
- free line, dialing any of the other 4 numbers will get an unobtainable message.
- :
- : A non-dialable number (eg containing alpha characters) could be used
- : if a phone number-like designation is needed (eg to identify the
- : "line" for emergency calls).
-
- The DTMF (touch tone) maps to a 4 bit code, so you could in fact use
- hexadecimal rather than decimal for the numbering anyway.
- :
- : Not that I think it'll ever happen, but worthy of some thought!
- : Lots of good reasons why not but we seem to use the DN for more than
- : we should.
- --
- -------------------------------------------------------------------------
- Mark Evans |evansmp@uhura.aston.ac.uk
- +(44) 21 429 9199 (Home) |evansmp@cs.aston.ac.uk
- +(44) 21 359 6531 x4039 (Office) |
-