Hersent, Olivier.

IP telephony : deploying VoIP protocols and IMS infrastructure / Olivier Hersent. - 2nd ed. - Hoboken, NJ : John Wiley, 2011. - xxxiii, 439 p. : ill. ; 26 cm.

Includes index.

9780470665848 (cloth)

2010024553


Internet telephony.
Convergence (Telecommunication)

TK5105.8865 / .H47 2011