《Heavy Reading 竞争分析：SIP主机业务研究报告( SIP Hosted Services A Heavy Reading Competitive Analysis)》目录：
I. INTRODUCTION AND KEY FINDINGS
1.1 Key Findings
1.2 Report Structure
II. AN OVERVIEW OF SIP
2.1 The Origins of SIP
2.2 SIP in the Network
2.3 SIP and NAT
2.4 Competing VOIP Protocols
2.5 SIP's Application Potential
2.6 Presence Management and SIP
2.7 SIP's Maturity
2.8 SIP and Telecom Service Providers
III. SIP CENTREX
3.1 Current IP Centrex and SIP Centrex Implementations
3.2 The IP Centrex ROI Model
3.3 SIP Centrex Vendors and Products
3.4 Carrier Expectations for SIP Centrex Development
IV. SIP CONTACT CENTERS
4.1 Contact Center Evolution
4.2 SIP as the Next Step
4.3 The Business Case for SIP Contact Centers
4.4 SIP Contact Center Vendors and Products
V. SIP MULTIMEDIA CONFERENCING
5.1 The Business Case for SIP Multimedia Conferencing
5.2 SIP Multimedia Conferencing Vendors and Products
VI. SIP UNIFIED MESSAGING
6.1 The Business Case for SIP Unified Messaging
6.2 SIP Unified Messaging Vendors and Products
APPENDICES
A Index of Companies in Report
B About the Author
C Legal Disclaimer
LIST OF FIGURES
SECTION I
SECTION II
Figure 2.1 SIP in Action
SECTION III
Figure 3.1 iPBX vs. Conventional PBX Cost Savings
Figure 3.2 IP Centrex vs. Conventional Centrex Cost Savings
Figure 3.3 Cost/Revenue Projection for IP Centrex
Figure 3.4 Estimated Capex and Opex Costs
Figure 3.5 IP Centrex Product Matrix
SECTION IV
Figure 4.1 Cost/Revenue Projection for SIP Contact Centers
Figure 4.2 Estimated Capex and Opex Costs
Figure 4.3 SIP Contact Center Product Matrix
SECTION V
Figure 5.1 Cost/Revenue Projection for SIP Multimedia Conferencing
Figure 5.2 Estimated Capex and Opex Costs
Figure 5.3 SIP Multimedia Conferencing Product Matrix
SECTION VI
Figure 6.1 A Unified Messaging Architecture
Figure 6.2 Cost/Revenue Projection for SIP Unified Messaging
Figure 6.3 Estimated Capex and Opex Costs
Figure 6.4 SIP Unified Messaging Product Matrix
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