Gold Member Since 2010
Audited Supplier
Shenzhen DBL Technology Limited

Roip302m Cross-Network Gateway Radio /Gs, Cross-Network Gateway, Roip manufacturer / supplier in China, offering RoIP302M Cross-Network Gateway Radio /GSM/VoIP/SIP Server, 4 Port/Channel/SIM Card GSM Gateway GoIP4, 32 Ports GSM Gateway GoIP32 Support Bulk SMS VoIP Device and so on.

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Supplier Homepage Product RoIP Cross-Network Gateway RoIP302M Cross-Network Gateway Radio /GSM/VoIP/SIP Server

RoIP302M Cross-Network Gateway Radio /GSM/VoIP/SIP Server

FOB Price: US $904.61 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $904.61/ Piece
Get Latest Price
Production Capacity: 50, 000 PCS/Month
Transport Package: Carton Dimension: 43.5*37.5*34.5cm G.W: 10kg
Payment Terms: T/T, Western Union, Paypal
Basic Info
  • Model NO.: roip
  • Built in: SIP Server
  • Protocol: SIP2.0
  • Support: Point-to-Point Mode and Group Transmit Mode
  • Trademark: DBL
  • Origin: China
  • Ptt Port: 3
  • Build in: DDNS Service
  • Module: GSM/CDMA Cellular Phone
  • Warranty: One Year
  • Specification: 10units/Carton
Product Description

RoIP302M Cross-Network Gateway Radio /GSM/VoIP/SIP Server


The fundamental of RoIP(Radio over IP)technology is to convert the audio and PTT signals in a radio terminal into IP packets and then transmit the data via the IP networks. The challenge in this technology is to insure that the audio is transmitted in real time and the PPT control signal is transmitted immediately and reliably. The radio range is general limited by the restricted transmitting power, the antenna sensitivity, and other environmental factors. 

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 

Basic Features 
Two RJ-11 FXS port for traditional phone set or PBX's trunk line 
Support three PTT port 
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 

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 
RoIP302M Cross-Network Gateway Radio /GSM/VoIP/SIP Server

RoIP302M Cross-Network Gateway Radio /GSM/VoIP/SIP Server
RoIP302M Cross-Network Gateway Radio /GSM/VoIP/SIP Server

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