Analog Gatewayler
Nistro VG 2S  |
Nistro VG 4S |
Key Features:
● Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
● Two 10/100 Ethernet for WAN / LAN connections
● Peer-to-Peer IP Calls
● Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
● Support T.38
● Line Echo Cancellation
● PPTP VPN ,VLAN and QoS support
● NAT Transversal and Router functions
● Voice prompts, HTTP Web, Auto Provision support for configuration and updates
● Highly stable embedded Linux operating system in high performance ARM 9 Processor
Basic Features
● One RJ-11 FXS port for traditional phone set or PBX's trunk line
● LEDs for Power, Ready, Status, WAN, PC, FXS
● Call Forward, Call Hold, Call Transfer
● Dial Plan
● Caller ID
Enhanced Features
● Dynamic selection of codec
● Advanced jitter buffer
● Automatic traversal of NAT and firewall
● VLAN / Qos
● Router
● Echo cancellation for Speakerphone
● Comfort noise generation (CNG)
● Voice activity detection (VAD)
● Auto provisioning (requires auto provisioning server)
● On line firmware upgrade
● Multi-language support: English and Chinese
Nistro VG 8S |
Key Features:
● Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
● Two 10/100 Ethernet for WAN / LAN connections
● Peer-to-Peer IP Calls
● Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
● Support T.38
● Line Echo Cancellation
● PPTP VPN ,VLAN and QoS support
● NAT Transversal and Router functions
● Voice prompts, HTTP Web, Auto Provision support for configuration and updates
● Highly stable embedded Linux operating system in high performance ARM 9 Processor
Basic Features
● One RJ-11 FXS port for traditional phone set or PBX's trunk line
● LEDs for Power, Ready, Status, WAN, PC, FXS
● Call Forward, Call Hold, Call Transfer
● Dial Plan
● Caller ID
Enhanced Features
● Dynamic selection of codec
● Advanced jitter buffer
● Automatic traversal of NAT and firewall
● VLAN / Qos
● Router
● Echo cancellation for Speakerphone
● Comfort noise generation (CNG)
● Voice activity detection (VAD)
● Auto provisioning (requires auto provisioning server)
● On line firmware upgrade
● Multi-language support: English and Chinese