IP telephony : deploying voice over-IP protocols /
Hersent, Olivier
IP telephony : deploying voice over-IP protocols / Olivier Hersent, Jean-Pierre Petit and David Gurle. - England : John Wiley and Sons, c2005. - xxxiii, 382p. : ill. ; 25 cm.
Includes index.
0470023597
Internet telephony.
IP telephony : deploying voice over-IP protocols / Olivier Hersent, Jean-Pierre Petit and David Gurle. - England : John Wiley and Sons, c2005. - xxxiii, 382p. : ill. ; 25 cm.
Includes index.
0470023597
Internet telephony.