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From: jsol@BUIT1.BU.EDU
Newsgroups: mod.telecom
Subject: Directory assistance & long-distance routing
Message-ID: <8612310101.AA02009@ucbvax.Berkeley.EDU>
Date: Wed, 24-Dec-86 00:15:06 EST
Article-I.D.: ucbvax.8612310101.AA02009
Posted: Wed Dec 24 00:15:06 1986
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I believe that Directory Assistance uses special trunks to complete and
there are only a fixed number of those trunks. Getting you to hang up
and dial the number yourself causes you to use one of their normal trunks
which they have far more of ...

--jsol