Voice over IP

• Scenario 1: PC to PC
• Scenario 2: PC to Phone
• Scenario 3: Phone to Phone
• Sample Products
• Sample Services
• Technical Issues
• Other Issues
• Telephony/Conferencing Systems
• Conferencing Standards
• H.323 Protocols
• H.323 Components
• H.323 Gatekeepers
• Session Initiation Protocol (SIP)
• Locating using SIP
• Media Gateway Control Protocol
• MGCP Commands

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