Voice Over IP Crash Course
Voice Over IP Crash Course
ISBN: 9780072262414
作者: SHEPARD STEVEN
出版社: McGraw-Hill Osborne Media
出版年: 2005-06-01
页数: 386
定价: 339.6
装帧: Pap
内容简介
Recent advances in VoIP (Voice over IP) technology have made it the solution of choice for voice service because of its low cost and increased reliability. Voice Over IP Crash Course offers practical