Understanding Voice over IP Technology /
Wittenberg, Nicholas.
Understanding Voice over IP Technology / Nick Wittenberg. - Clifton Park, NY : Delmar Cengage Learning, 2009 c2009. - vii, 387 p. : ill., map ; 24 cm. + 1 CD-ROM (4 3/4 in.).
Includes index.
1435427270 9781435427273 0840031300 9780840031303
2008938851
Internet telephony.
TK5105.8865 / .W58 2009
004.695 / WIT
Understanding Voice over IP Technology / Nick Wittenberg. - Clifton Park, NY : Delmar Cengage Learning, 2009 c2009. - vii, 387 p. : ill., map ; 24 cm. + 1 CD-ROM (4 3/4 in.).
Includes index.
1435427270 9781435427273 0840031300 9780840031303
2008938851
Internet telephony.
TK5105.8865 / .W58 2009
004.695 / WIT