Etrack Digital Technology Co., Ltd.

RoIP302m, RoIP Gateways, GoIP manufacturer / supplier in China, offering RoIP302m Built in SIP Server Two 10/100 Base-T Ethernet Ports VoIP GoIP Oip Gateway Support DDNS 12 Units RoIP 1 Year Warranty, GPS Car Trackertk103b, Remote Control, Siren and Shake Sensor, Micro GPS Tracker Hidden Mini GPS Tracker RF-V16 with Sos Communicator for Kids, Children, Old People and So on and so on.

Supplier Homepage Product List gateway RoIP302m Built in SIP Server Two 10/100 Base-T Ethernet Ports VoIP GoIP Oip Gateway Support DDNS 12 Units RoIP 1 Year Warranty

RoIP302m Built in SIP Server Two 10/100 Base-T Ethernet Ports VoIP GoIP Oip Gateway Support DDNS 12 Units RoIP 1 Year Warranty

FOB Price:US $725 - 730 / Piece
Purchase Qty. (Pieces) FOB Price
1-9 US $730 / Piece
10-99 US $728 / Piece
100+ US $725 / Piece
Get Latest Price
Min. Order: 1 Piece
Production Capacity: 10000PCS/Month
Transport Package: Standard Export Package
Payment Terms: T/T, Paypal, Western Union

Basic Info.

Model NO.:ROIP302M
Model Number:RoIP302m
Ppt Port:3

Product Description

ROIP302M built in SIP server Two 10/100 Base-T Ethernet Ports VOIP GOIP OIP gateway Support DDNS 12 units RoIP 1 year warranty 


3-PPT Port 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.

Basic Function :


 LEDs for Power, Ready, Status, WAN, PC, FXS

 Dial in mode or dial out mode only
 Call forward from GSM to VoIP and VoIP to GSM 
 Dial Plan
 Retransmit GSM Caller ID to VoIP terminal




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
 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




Physical Characteristics


Hardware Parameters Remark
 Model RoIP-302M 
 Processor ARM9 133MHZ 
 DSP VP-101-1 196MHz 
 RAM 32M 
 Network Card 100/10BASE-T ×2 
 LED operating and circuit light 
 Power consumption 12V/DC 
 Weight 0.4kg 
 Size 25*14*3(cm) 
 Operating Temperature 0-45ºC 
 Working Humidity 40%-90% non-condensation 
 Color grey 
 PPT port 3 
 SIM port 1 
 Speech Characteristics Service Condition Remark
 G.168 Echo cancellation Support 16mS
 g.723 Support 
 g.711A/u Support 
 g.729A/B Support 
 GSM Support 
 PLC Support 
 CNG Support 
 VAD Support 
 Jitter Buffer Support 
 T.38 Nonsupport 
 Network Characteristic Parameters Remark
 PTT Port  
 PTTIN Active Low <0.7V (4.7KΩ load) 
 PTTIN Active High >1.2V 
 PTTOUT High Output 5V (4.7 KΩ load) 
 PTTOUT Low Output 0V 
 APUT Output 8Ω 750mW 5V P-P 
 AIN Input 600Ω Internal Impedance, 0 - 0.6Vp-t-p 
 ADJOUT (on the Adapter Cable) 2KΩ Potentiometer 
 LAN Port  
 DHCP Support 
 PPPoE Support 
 Static IP Support 
 NAT Transversal Relay or Port forwarding Relay need coordinate with DBL Relay Server
 Network time NTP / SNTP 
 10/100BASE-T 10/100 auto adaptation 
 PC Port  
 Static IP Support 
 DHCP Max support 200 terminals 
 10/100BASE-T 10/100 auto adaptation 
 Switch mode Support 
 Protocols ITU H.323 V4 and IETF SIP V2, SIP (RFC3261) TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP,
 User Interface Parameters Remark
 Web page Configuration HTTP 
 Multiple password 3 password Customized service
 Keyboard setup Support 
 Online update http 
 Broadcast IP Support Chinese , English
 Billing Support Coordinate with DBL Billing Software
 Language Chinese, English 
 Multi-regional warning tone China,HK,USA,UK,German etc. 
 Warranty One year

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


 Manage 12 units RoIP

Shenzhen E-Track Digital Technology Co., Ltd. is a manufacturer and reseller of GPS tracker and car alarm system with well-equipped testing facilities and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in fleet management, and tracking system and other industries.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
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Etrack Digital Technology Co., Ltd.

- Guangdong, China
- Manufacturer/Factory, Other

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