by David Kelly (Author), Cullen Jennings (Author), David Kelly (Author), Luan Dang (Author)
This volume focuses on the real issues facing programmers and administrators who work with VOIP. It describes how a phone system such as VOCAL is actually built, and how too acquire the source code, install it on to a system, connect phones, and make calls.
Format: Illustrated
Pages: 528
Edition: 1
Publisher: O'Reilly Media
Published: 18 Jul 2002
ISBN 10: 0596000782
ISBN 13: 9780596000783