Cross-Network Gateway,ROIP-302M,Radio-over-IP,Local proxy support group mode,DBL

Description:

3-PPT Port with GSM Module Cross-Network Gateway RoIP302M is developed based on the RoIP technology to bridge
voice communications across multiple networks.
It can connect up to 3 radio stations operated at different frequency bands simultaneously.
These 3 radio stations can be configured in a single or multiple groups to communicate with another group
which is defined in another RoIP device.
This enables a very flexible configuration among various radio stations in order to form a single or
multiple RoIP networks.
With the built-in GSM and VoIP interfaces, RoIP-302 can also bridge voice communications among these networks.

Key Features:

Open Standard VoIP Protocols (IETF SIP V2)
Two 10/100 Ethernet for WAN / LAN connections
Supply dynamic DNS service
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
Line Echo Cancellation
VLAN and QoS support
NAT Transversal and Router functions
Support IP voice stream to via a recording server
Highly stable embedded Linux operating system in high performance ARM 9 Processor

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)

Competitive Advantage:

Support standard SIP protocol,DDNS
Support ulaw alaw g.729 g723 etc code
Built in Linux OS
Peer to Peer provided
3 PPT Ports
Send SMS
Manage 12 units RoIP