00445 a2200157 4500 8129706733 DLC DLC 384.602854678 BRO Brown, Kevin. IP telephony unveiled Kevin Brown, New Delhi: Pearson Education Pte. Ltd., 2004. xv, 170 p. : ill. ; 23 cm. Includes Index Internet telephony. BK 384.602854678 BRO ddc 8036 8036 0 0 0 0 NFIC CL CL GEN 2005-03-02 Pak Book Corporation 135.00 0 384.602854678 BRO SEECS005357 2012-11-14 2017-01-05 BK