Telecommunications 16 Port GOIP GSM Gateway VoIP Product

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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, and 16 GSM 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 ServerRemote SIM Auto balance check and recharge (prepaid SIM)Call time restrictionsRemote Control ManagementRelay Server support for NAT and encryption of IP packetsPPTP VPN and Relay EncryptionBuilt-in SIP Proxy for peer-to-peer operationGSM Quad Band: 850 / 900/1800/1900 MHzCall forward from GSM to VoIP and VoIP to GSMCall Back

Main Advantages:

Lightweight and PortableEasy 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.

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

TCP/IP:IP/TCP/UDP/RTP/RTCP/,CMP/ARP/RARP/SNTP, DHCP/DNSClient,IEEE802.1P/Q.ToS/DiffServ. NAT Traversal, STUN, UPNP.

IP Assignment, Static IP, DHCP, PPPoE.

Technical Specfications

Hardware characteristics	parameter	Remark
Model	GoIP-16
Processer	ARM9 133MHz
DSP	VP-101-1 196MHz
RAM	32M
FLASH	4M
Power Supply	DC12V/3A +-10%
Frequency	default 900M/1800M
	Choice: 850M/1900M
Power Consumption	Max 32W
LED	Operating and circuit light
Network card	100/10BASE-T ×1
weight	1.65KG
Operating temperature	0-45°C
Working humidity	40%-90% non condensation
color	grey
GSM channel	16
warranty	1 year

Network Characteristics	Parameter	Remark
LAN Port
DHCP	support
PPPoE	support
Static IP	support
Network Time	Relay or Port forwarding	Relay need coordinate with DBL Relay Server
10/100BASE-T	10 or 100 auto adaptation
PC Port
Static IP	support
DHCP	Max support 200 terminals
10/100 BASE-T	auto adaptation
Switch mode	support

Speech Characteristics	Service Condition	Remark
G.168 Echo cancellation	support	16ms
g.723	Support	MP-MLQ/ACELP at 6.3/5.3 kb/s(optional)
g.711A/u	Support	PCM A-law/u-law (selectable)
g.729A/B	Support	G.729 Annex CS-ACELP at 8kb/s
PLC	Support
CNG	Support
VAD	Support
Jitter buffer	support

Solution of Call Origination and Termination

Contact information