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From: S.PAE@DEEP-THOUGHT.MIT.EDU (Philip A. Earnhardt)
Newsgroups: mod.telecom
Subject: Re: ring-back
Message-ID: <8612220423.AA02310@ucbvax.Berkeley.EDU>
Date: Sat, 20-Dec-86 19:37:42 EST
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Posted: Sat Dec 20 19:37:42 1986
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> Is there a number (or a per-exchange number) in the Boston area
> for making your phone ring-back when you hang up? Every other
> city I've lived in has had this service.

The only reliable number I know of is 0--have the operator ring you back. No
doubt there are numbers in specific exchanges, but the greater Boston area has
a diverse zoo of switches. Many areas don't even have 911 service yet.