Internet Communications Using SIP : Delivering VoIP and Multimedia Services With Session Initiation Protocol {2Nd Ed.}

We could not have written this book without the support of our forgiving

spouses, Fabienne and Lisa, who held the fort while we were working on

SIP. And to both our family members shouting, “Your SIP phone is ringing.”

01_776572 ffirs.qxp 6/5/06 9:34 PM Page v