Internet Communications Using SIP: Delivering VOIP and Multimedia Services with Session Initiation Protocol (Networking Council)

by: H. Sinnreich · Alan B. Johnston John Wiley & Sons · 2001 Hardcover details (UK). details (USA). details (Canada). details (Germany). details (France). ISBN: 978-0-471-41399-8 ISBN-10: 0-471-41399-2