Voice & data communication handbook 
Bates, Regis J. 
 - 5th ed. 
 -  McGraw-Hill,  2007 
 - xxvii, 644 pages 
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<br/><br/><label>ISBN: </label>978-0-07-226335-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication -- Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>621.382 B31v 2007