SCHILLER J. MOBILE COMMUNICATIONS 2ND EDITION Textual Documents - 01-01-2009 - DORLING KINDERSLEY(INDIA) L.OF PEARSON EDUCAT - XVIII/492 24*18 14017 ISBN: 978-81-317-2426-2 P.B. Subjects--Index Terms: VOICE NETWORK (B.E.) Dewey Class. No.: 621.385 / SCH