Item record
Preface
Chapter 1 introduction 1
1.1 the Internet phone and grouping voice 1
1.2 why is keen on the Internet phone 1
1.2.1 commercial considerations 1
1.2.2 IP widespread 3
1.2.3 technology mature 4
To data network transfer 4
1.1.3 why use IP telephone calls business 5
1.4 barriers to successful use of IP telephony 5
1.5 in the Internet and dedicated Internet VoIP 5
1.6 problem is not whether, but how to 6
1.7 VoIP configuration choices 6
1.8 special VoIP network 8
1.9 the next 9
1.10 based on the IP call center and e-commerce 10
1.11 configuration and topology
Related to download links://download.csdn.net/download/yiluzhuixun206/3164764? Utm_source=bbsseo