Collins, Daniel
Carrier grade voice over IP / Daniel Collins - 2nd ed. , international ed. - Boston, Mass. : McGraw-Hill, 2003 - 522 p. : ill. - McGraw-Hill networking professional .
Includes bibliographical references and index
0071231552
INTERNET TELEPHONY
TK5105.8865 / C644C 2003
Carrier grade voice over IP / Daniel Collins - 2nd ed. , international ed. - Boston, Mass. : McGraw-Hill, 2003 - 522 p. : ill. - McGraw-Hill networking professional .
Includes bibliographical references and index
0071231552
INTERNET TELEPHONY
TK5105.8865 / C644C 2003