Hersent, Olivier. Gurle, David. Petit, Jean, Pierre.
IP Telephony Packet-based Multimedia Communications Systems - NEW DELHI PEARSON 2002 - x+456p.,22X17Cms.
8178082586
621.385 H572
IP Telephony Packet-based Multimedia Communications Systems - NEW DELHI PEARSON 2002 - x+456p.,22X17Cms.
8178082586
621.385 H572