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Wholesale 16 and 32 Ports GSM VOIP GOIP Gateway Provider Support SIP/H.323 Protocol with VPN Function

Wholesale 16 and 32 Ports GSM VOIP GOIP Gateway Provider Support SIP/H.323 Protocol with VPN Function


16 and 32 ports GOIP 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 32 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.

Hotsale is 16ports and 32 ports GSM Gateway as follow:

16 ports GOIP VOIP gateway

32 ports GOIP VOIP gateway

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

Main 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.

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

Best Service

With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in communication industry and other industries. 

Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. 

What’s more,we provide best before and after sales services,24hours tech support and one year warranty. 7 days guarantee to return if any issue.

Skyline Telecom is one of the leading suppliers of wholesale 16 and 32 ports gsm voip goip gateway provider support sip/h.323 protocol with vpn function which is widely used in communication industries and many other industries. Mainly focused on Asia and Africa, we will try our best to offer our quality products to Pakistan, Bangladesh, India, UAE, etc. Under strict quality control and management system, you can rest assured to buy.


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