Voip and Ip Telephony Implementations
[pic]
VoIP and IP Telephony:
Planning and Implementation
Table of Contents
Executive Summary……….
Legacy Telephony Technology……….
Public Switched Telephone Network (PSTN) ……….
IP Technology Solution Overview……….
What is VoIP and how it works?..........
What is IP Telephony? ) ……….
Benefits of IP Communications over a Converged Intelligent Network) ……….
Economy) ……….
Flexibility) ……….
Resilience) ……….
Productivity) ……….
Building Blocks of Converged IP Communications Networks) ……….
Network Infrastructure) ……….
Applications) ……….
End Points (Client Devices) ) ……….
Call Processing) ……….
Major IP Communications Solutions) ……….
IP Telephony) ……….
Considerations for Deploying IP Telephony) ……….
IP Conferencing) ……….
IP Contact Centers) ……….
Unified Messaging) ……….
Rich Media Communications—Integrated Audio, Video, and Web Conferencing)
IP Videoconferencing) ……….
IP Video Telephony) ……….
Extension Mobility) ……….
IP Telephony Applications) ……….
Mobility Applications) ……….
Softphones/Soft-agents ) ……….
802.11a/b/g Wireless LANs and Wireless or Soft IP Phones ) ……….
Teleworker / Support) ……….
Emergency Alerting Applications ) ……….
Business Continuity / Disaster Recovery) ……….
Land and Mobile Radio Convergence) ……….
N11 Services—211, 311, 511, 711 Services to Relieve Overburdened 911 Systems ) ……….
Video/Audio-On-Demand, E-Learning) ……….
A "Typical" VoIP Configuration……….
The Economics of VoIP ……….
Selecting the Right Products for Investment Protection and On-Going
Management ……….
The Business Case for IP Communications— Return on Investment (ROI) and Total Cost of Ownership (TCO) ) ……….
VoIP implementation technical considerations) ……….
Network Infrastructure—Advanced Intelligent Network Features) ……….
Cabling) ……….
Network Infrastructure) ……….
LAN Network Design) ……….
Power over Ethernet