VOICE AND DATA COMMUNICATION HANDBOOK
REGIS J BATES
VOICE AND DATA COMMUNICATION HANDBOOK - 5 - TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED - xxvii+
0070647666
COMMUNICATION VOICE COMMUNICATIONS
621.3821 / REG
VOICE AND DATA COMMUNICATION HANDBOOK - 5 - TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED - xxvii+
0070647666
COMMUNICATION VOICE COMMUNICATIONS
621.3821 / REG