Gold Member Since 2010
Audited Supplier

Shenzhen DBL Technology Limited

VoIP Gateway, SIM Server, IP Phone manufacturer / supplier in China, offering GoIP 8 8 Channel VoIP GSM Gateway/ 8 SIM Card Wireless VoIP Terminal Support SMS Server, 8 Port/Channel GSM VoIP Gateway with SIP&H. 323 (GoIP8), 32 Remote SIM for GoIP SIM Auto Roaming with Scheduler SIM Bank SMB32 and so on.

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Supplier Homepage Company Show New Product Dbl 16 Channel GSM Gateway with 16 SIM Card/SIP Gateway GoIP 16

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Dbl 16 Channel GSM Gateway with 16 SIM Card/SIP Gateway GoIP 16 [Oct 11,2013]
Dbl 16 Channel GSM Gateway with 16 SIM Card/SIP Gateway GoIP 16

DBL 16 Channel GSM Gateway with 16 SIM Card/SIP Gateway GoIP 16

Specification:

 
1. 16 GSM channels
2. Quad band
3. IMEI changeable
4. Support SIM Bank
5. VoIP SIP&H323
6. Remote Access
7. Optional SMS termination
8. Auto Balance and Recharge
9.Remote SIM operation for SIM Card management

Overview
A VoIP GSM Gateway (GoIP) bridges voice communications between the GSM and the IP networks seamlessly.In principle, it consists of a GSM module and a VoIP module. With a SIM card installed, the GSM module registers to the GSM network for voice and SMS services.

GoIP comes with various models of 1, 4, 8, 16 and 32GSM channels. When integrating in a VoIP system, GoIP is highly scalable in meeting customer’s requirement on the number of channels (lines). In addition with its power functions, high voice quality, and low price, GoIP is an inevitable choice of many system integrators, call termination operatiors, small companies, and individuals. 
 

Main 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 Features:
Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
Single or Multiple Server Registrations
Two 10/100 Ethernet for WAN / LAN connections
GSM module for making GSM calls
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
VLAN and QoS support
NAT Transversal and Router functions
Voice prompts, HTTP Web, Auto Provision support for configuration and updates
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