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From: Henning Schulzrinne <HGSCHULZ@cs.umass.edu>
Newsgroups: comp.dcom.telecom
Subject: Phone Statistics
Message-ID: <5162@accuvax.nwu.edu>
Date: 14 Mar 90 01:19:00 GMT
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X-Telecom-Digest: Volume 10, Issue 173, Message 3 of 12


For a report I'm working on, it would be helpful to have the following
traffic engineering data:

1) What is the average and peak rate of calls handled within the
   United States (or, if that's too difficult, by the major long distance
   carriers)?

2) What is the mean call duration?

3) Are there any estimates as to the fraction of bandwidth/calls/usage
   devoted to voice, data, fax, ...?

Any references, suggestions, clues, hints or guesses are appreciated.


Henning Schulzrinne  (HGSCHULZ@CS.UMASS.EDU)
Department of Electrical and Computer Engineering
University of Massachusetts at Amherst
Amherst, MA 01003 - USA === phone: +1 (413) 545-3179 (EST); FAX: (413) 545-1249