Gold Member Since 2010
Audited Supplier
Shenzhen DBL Technology Limited

Gsm Voip Gateway, Voip Gateway, Goip manufacturer / supplier in China, offering 1 GSM Port and 1 FXS Port with Internal Antenna GS-1I Voip Gateway, 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 VoIP GSM Gateway 1 GSM Port and 1 FXS Port with Internal Antenna GS-1I Voip Gateway

1 GSM Port and 1 FXS Port with Internal Antenna GS-1I Voip Gateway

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 10, 000 PCS/Month
Transport Package: Box Dimension: 22*17.5*6cm (L*W*H) G.W.:0.39kg
Payment Terms: T/T, Western Union, Paypal
Basic Info
  • Model NO.: GS-1I
  • Support: Vlan and Qos, DHCP, Pppoe, Fix IP
  • VoIP Protocal: H. 323&SIP
  • Working Frequency: Default 900m/1800m /Optional 850m/1900m
  • Warranty: One Year
  • Specification: Package: 20PCS/Carton
  • Type: Gateway
  • Port: 1 GSM Port and 1 FXS Port
  • Build in: Reply Encryption
  • IMEI Change: Support
  • Trademark: DBL
  • Origin: Shenzhen, China
Product Description
The 1-GSM&1-FXS Port with Internal Antenna VoIP Gateway GS-1I 


1. 1 GSM channel and 1-FXS Port
2. Bulk SMS/USSD
3. Good ACD,ASR
4. Auto Balance and Recharge
5. VoIP SIP&H323
6. Remote Access
7. Optional SMS termination
8. Support IMEI changeable
9.Quad band, IMEI changeable



The  High Performance VoIP GSM Gateway GoIP (1-SIM Card Port) bridges the GSM and the IP networks by enabling voice communications. It is ideal for VoIP to Local termination where a fixed telephone line (PSTN) is not available or for cellphone roaming via the a VoIP network. Significant savings on long distance charges can be realized.



Key Functions

  • GSM Carriers and Base Stations Optional
  • Sending SMS / USSD via built-in webpage or SMS Server
  • Remote SIM
  • Auto balance check and recharge (prepaid SIM)
  • Call time restrictions
  • Remote Control Management
  • Relay Server support for NAT and encryption of IP packets
  • PPTP VPN and Relay Encryption
  • Built-in SIP Proxy for peer-to-peer operation
  • GSM Quad Band: 850 / 900/1800/1900 MHz
  • Call forward from GSM to VoIP and VoIP to GSM
  • Call Back


Key Advantages:

  • Lightweight and Portable
  • Easy to install and administrate
  • IMEI Changeable
  • GSM Base Station Optional
  • Support SIM Bank/ SIM Sever
  • Manual/ Automatic Selection Operators
  • Sending and Receiving SMS and USSD (Web Interface)
  • Flexible Dial plan fo number alternation, call screen.
  • Flexible configuration modes.
  • All functions can be set on web.
  • Provide CDR report


Free Software/Server

Remote Control Server----Access Interface Remotely.


Relay Server----Relay Encryption( Make Terminals Traversal the NAT without STUN and Outbound Proxy)


SMS Server----Remote SIM cards; Send Bulk SMS; Provide CDR and ASR; Auto Balance and Recharge.


SIM Server----Remote SIM Cards on Duty; Set GSM Group( Assign several SIMs per GSM Port); Set talk time per SIM, Set Day of week, time range; Monitor CDR, ASR, ACD.


Autocfg Server---- Maintence all DBL termial device anywhere; embeded remote control server; Remote sim auto configuration.


Protocols: SIP/H.323


IP Assignment, Static IP, DHCP, PPPoE

1 GSM Port and 1 FXS Port with Internal Antenna GS-1I Voip Gateway

1 GSM Port and 1 FXS Port with Internal Antenna GS-1I Voip Gateway

Hardware characteristicsparameterRemark
DSPVP-101-1 196MHz 
Power SupplyDC12V/500MA 
Frequencydefault  900M/1800M 
Choice:     850M/1900M 
Power ConsumptionMax 32W 
LEDOperating and circuit light 
Network card100/10BASE-T × 1 
Operating temperature0-45° C 
Working humidity40%-90% non condensation 
GSM channel16 
warranty1 year 

Network CharacteristicsParameterRemark
LAN Port
Static IPsupport 
Network TimeRelay or Port forwardingRelay need coordinate with DBL Relay Server
10/100BASE-T10 or 100 auto adaptation 
PC Port
Static IPsupport 
DHCPMax support 200 terminals 
10/100 BASE-Tauto adaptation 
Switch modesupport 

Speech CharacteristicsService ConditionRemark
G. 168 Echo cancellationsupport16ms
g. 723Support 
g. 711A/uSupport 
g. 729A/BSupport 
Jitter buffersupport 
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