Dang, Luan.
Practical VoIP using VOCAL / Luan Dang, Cullen Jennings, and David Kelly. - Beijing : O'Reilly, c2002. - xvii, 502 p. : ill. ; 24 cm.
Includes index.
9780596000783 (pbk.) 0596000782 (pbk.)
2002023323
Internet telephony.
TK5105.8865 / .D36 2002
621.382 / DAN 2002
Practical VoIP using VOCAL / Luan Dang, Cullen Jennings, and David Kelly. - Beijing : O'Reilly, c2002. - xvii, 502 p. : ill. ; 24 cm.
Includes index.
9780596000783 (pbk.) 0596000782 (pbk.)
2002023323
Internet telephony.
TK5105.8865 / .D36 2002
621.382 / DAN 2002