Most of us associate GSM to cell phones only. Though today’s mobile phone is multifeatured gadget. It is camera, player, gamepad and many other devices in one gadget.

However, if GSM device is not a mobile phone it is not some thing difficult, mysterious and incomprehensible as many people guess. The good example of such GSM devices is widely-distributed and popular GSM car alarm systems. They allow to fix car position or inform its owner about different events.

Our company designs and manufacturing gadgets that use GSM or IP technologies.

GSM audio door phone systems

Example of such a gadget is our line of GSM audio door phone systems. The main unique feature is following - it has no wires but GSM channel. After pressing call button by visitor, master’s mobile phone starts to ring. Visitor does not know, that call forwards on mobile number. Indeed, it is more useful to know about the visit when you are outside. You are able not only to know about the fact of visit, but to talk to the visitor and even let him come in by unlocking the door.

GSM door phone systems have a few modifications in production line depending on mounting method. Type 1 gadget can be attached to any type of home or office door intercommunication system. Type 2 is a standing alone outdoor station.

PC door phone systems

Audio door phone systems that connect to IP-PBX are also our specialization. Door phone systems for ISDN PBX are widely presented on market, but there are no ones interfacing to PC. We propose two types of such systems. The first one is connected to PC via USB port, the second one connected directly to the Ethernet and provides door phone calls over the Internet

USB RJ-11 interface

When they connected to a IP-PBX phone system, our IP-GSM Gates can route incoming and outgoing calls via the mobile telephone network which results in call savings, and when connected to alternative carriers' equipment/networks, the IP-GSM Gates can reduce the call termination rates and increase net profits.

For the moment calls over internet become a part of everyday life. But a lot of users give preference to traditional phone sets because of the force of habit. Probably many of us found out that using of headset and virtual phones is inconvenient. So, we propose the gadget to solve the problem. The small gadget interfaces traditional wire or wireless phone set and PC. It is connected to PC via USB from one side and to the phone set from another side via standard RJ-11 socket.

Access control systems

By getting some solution (IP-PBX for example) the customer trying to solve as many as possible of his problems. For example, the concept of door phone systems is combined to concept of access control systems. So we present some solutions such a kind for a small business. They are based on Dallas’s i-button technology. In our production line we have very simple standing alone access control systems with memory of dozens touch keys, as well as advanced complicated server business solutions.

Last ones have linux based server at the heart of the system with connected reading/unlock devices via RS-422 net. Such system allows to fully control and manage access to office rooms or industrial premises.

By the way server is able to be surveillance solution at the same time. It allowing capture, analysis, recording and monitoring of any CCTV or security cameras attached to the same mashine. Of course it is possible to see visitors and unlock or not doors using usual work station (PC) connected to the same net.

IP - GSM Gates

IP - GSM Gates is a main direction in our electronic designs. They allow to connect popular internet telephony and mobile communication.

IP-telephony - is technology allows to use Internet or other IP-network for phone calls and fax sending in real time. This technology is favorable for international and intercity calls from economical view or for distributed corporate phone network building.

GSM-gateway – it's like interface or bridge between IP-network and GSM networks.

Such devices are required for private using and allow to significantly reduce mobile prices, to route calls, to build integrated corporate IP-networks for voice and data transmission.

We have two types of such devices. One of them is four-channel GSM-block for internal computer or server, which can solve other tasks too. The GSM-block connects to them by USB ports.

This device have been developed in single-board mini-computer form-factor and became separate device with wide functionality suitable for consumer using by connecting it to computer.

Another bridge type is final device on the base of ARM-controller. It connects directly to Internet from one side and GSM from other (by SIM card set up in it). Low price and compactness without additional equipment necessity are its merits.