Path: utzoo!attcan!uunet!zephyr.ens.tek.com!uw-beaver!mit-eddie!bu.edu!rpi!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!ucselx!bionet!hayes.ims.alaska.edu!accuvax.nwu.edu!nucsrl!telecom-request
From: rees@pisa.ifs.umich.edu (Jim Rees)
Newsgroups: comp.dcom.telecom
Subject: Re: Ancient ANI
Message-ID: <14027@accuvax.nwu.edu>
Date: 25 Oct 90 16:36:40 GMT
Sender: news@accuvax.nwu.edu
Reply-To: rees@citi.umich.edu (Jim Rees)
Organization: University of Michigan IFS Project
Lines: 20
Approved: Telecom@eecs.nwu.edu
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 10, Issue 763, Message 7 of 10


In article <13950@accuvax.nwu.edu>, varney@ihlpf.att.com (Al L Varney)
writes:

>Two other differences: 1) ANI can be sent in 7 and 10 digit versions,
>depending on who's sending/receiving, and identifies the number
>CHARGED for this part of the call.  May not be a valid number or the
>number actually assigned to the caller.  CallerID is (so far) always
>10 digits.

I sure hope the ten-digit limit isn't built into either the protocol or
the displays.  While North American Numbering Plan (NANP) numbers are
ten digits if you strip off the country code, in general phone numbers
can be just about any length.  Does anyone out there actually have a
working display?  Is it limited to ten digits?

Trivia department: We saw a few very long phone numbers on this list a
few weeks back.  What's the shortest phone number (including country
code) in the world?  What's the longest?  To qualify, it's got to be a
world-wide unique number, diallable from anywhere ("0" doesn't count).