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V200 VoIP Telephone Adaptor/Router 5
YML796 Rev1
1.2 Features
VoIP Protocol Support
• Session Initiation Protocol (SIP)
• Session Description Protocol (SDP)
• Transport Protocol for Real-Time Applications (RTP)
VoIP Audio Codec
• G.729a
• G.711 alaw
• G.711 ulaw
DTMF Relay
• In-band
• Out-band (RFC 2833)
Voice Features
• Echo Cancellation (G.168)
• Voice Activity Detection (VAD)
• Comfort Noise Generation (CNG)
• Silence Suppression
• Jitter Buffer
• Adjustable RTP packetization interval
Telephone Function Support
• Caller ID (On/Off hook Caller ID ETSI based)
• DTMF tone generation
• Dial tone, Busy tone, Ring back tone generation
QoS
• Internal bandwidth control
• Allocating enough bandwidth for VoIP calls
VoIP Call types
• SIP proxy
• Phone Book for Peer-to-Peer IP Call
Built-in Router
• DHCP client/server
• NAT
• Port Forwarding
• DMZ
• Virtual Server