VoIP-GSM gateway Polygator G8 - description

General description

GSM-gateway with Voice and SMS-features based on OS Linux

A universal hardware platform for lowering calls costs and termination


Multifunctional GSM/VoIP gateway for 4 SIM-cards for connection GSM and VoIP networks. It serves for calls routing between desk phones and mobile networks (GSM) as well as receiving/sending SMS, sending USSD-requests. Integration of the VoIP-GSM gateway into the corporate telephone network facilitates saving on costs of «office — mobile phone» calls. By the means of GSM-gateway it is easy to create telephony at locations where PSTN telephony is unavailable.

This model allows scaling of GSM-channels (SIM-cards) number from 4 to 8. The chassis of G8 has 1 universal slot for extension board (GSM, 3G/GSM).

There is an IP-PBX Asterisk v1. 6 preinstalled on the GSM-gateway. The device operates under OS Linux 2.6 (for Atom CPU). Gateways are compatible with SIM-Server/SIM-bank solutions, reliable and straightforward in operation. The gateway design assumes desktop placement. There are also special openings in the housing for wall mounting. The equipment is compatible with IP PBX’es like Asterisk, 3CX, Oktell, Askozia, Elastix, Lynx, Cisco Call-Manager, Kerio Operator, etc.

Application and benefits

Gateway between cell networks and IP-PBX. Bulk SMS. Call termination/origination. Establishing of GSM-gateways distributed network by the means of the SIM-server.

Support of all main telephony and SMS protocols. Embedded IP-PBX Asterisk, embedded SMS-server. Scalability and openness for adding custom Linux-software. The Gift: cloud mini-PBX service for 6 months. Free technical support - 1 year. Warranty - 2 years.

Key features

Quick-start – ready for operation out of the box

Scalability (increasing GSM-channels quantity)

OS Linux – open system for fine-tuning by specialist

High traffic capacity - 600 minutes per day and more, per channel

Callback feature — additional money saving feature for cell phone calls

Closed channel mode — placing call via specific GSM-module

Lowering base stations load – option to shut off unused GSM-modules

System management and monitoring via Web GUI, console or SSH

Detailed CDR – gateway automatically stores detailed information about calls into a file

Detailed cause codes (disconnect codes) of a mobile network – useful feature for predictive dialers

Gateway is ready to act as a standalone PBX thanks to preinstalled popular free IP-PBX Asterisk

Incoming call routing — thanks to an intellectual processing of incoming calls based on Caller ID, the call can be forwarded to previously defined route

Outgoing call routing based on lowest cost (Least Cost Routing) – ability to route outgoing calls by best (cheapest) cost

Integrated LAN and WAN ports — it is possible to use either public or private IP-addresses

VPN-client - client for VPN-networks is preinstalled

Cutting costs for calls from office to mobile phones

Comfortable way to reach the office staff for clients and workers – no need to call landline office numbers, just dial any SIM-card paced in gateway followed by extension number

Redundant voice channels for office

Quick installation of telephones for remote office or shop, where fixed lines are unavailable or costly

Cutting calls cost when travelling abroad