Voice Server II (VSII) is the second generation of voice over IP gateway system. It is designed for network environment, xDSL, ADSL, IP-VPN, leased line /ATM /Frame Relay, all IP environment, telephone application, phone, PBX to PBX, Key phone system to key phone system, PSTN to internal station, station to PSTN, internal calls, PSTN to remote PSTN transit calls. It is able to eliminate the barrier of the heterogeneous system. It has toll bypass and foreign exchange advantages. It can be used for hot line and telecommuter applications.

• Embedded QoS Ethernet switch
• QoS still guaranteed in cascade
• Easy to configure/maintain with stable performance
• Configuration through telephone or Web server
• Embedded Web server management
• Support max 1000 nodes
• Support T.38 real time Fax Relay
• Support security group IP design
• Support TFTP software upgrade
• Support DHCP or static IP

• Non PC platform
• Embedded echo cancellation
• High capacity 4 /8 /16 /T1 /E1 ports per chassis
• Modularized design (VSII-16G only)
• Low bandwidth - each channel use 8k bandwidth
• Support telephone direct plug usage
• Support NAT function
• Support any PBX and key phone system
• Support Internal calls - PSTN to internal stations - internal station to remote PSTN