2016 RoIP302, for voice communication between voip,radio and gsm network. with 3 PTT ports

Description:

3-PPT Port Cross-Network Gateway RoIP302 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.

Basic Function :

 Two RJ-11 FXS port for traditional phone set or PBX's trunk line

 Support a PTT port 
 LEDs for Power, Ready, Status, WAN, PC, FXS 
 Call Forward, Call Hold, Call Transfer 
 Dial Plan
 Caller ID 

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)
 Auto provisioning (requires auto provisioning server)
 On line firmware upgrade
 Multi-language support: English and Chinese

Competitive Advantage:

 Support standard SIP protocol

 Support DDNS

 Support ulaw alaw g.729 g723 etc code

 Built in Linux OS

 Peer to Peer provided

 Built in GSM module

 3 PPT Ports

 Send SMS