between your mobile and

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1 Low-price calls between your mobile and fixed-service telephones. com.s.a.t. GSM gateway

2 Turn your telephone system into a mobile phone. Phoning the GSM network from a fixed service network. It is still rather expensive to phone or to send data from a fixed service network to a mobile telephone. Even the competition between new telecommunication providers and network operators has not led to any fundamental change in this situation. Fixed carrier contracts (e.g. preselection, or a completely new connection) do not necessarily represent an economical alternative for many companies. Call-by-Call is a useful way to save costs, but it is to much extra work for companies. The alternative for expensive fixed to mobile calls, is the low-price mobile to mobile call with the com.s.a.t. GSM gateway. Calls between two mobile phones in the same network are considerably cheaper. And, in this respect, there is also a strong and growing competition, which leads to continued price reductions. But using the mobile phone to make calls from the office is most definitely not a practical solution! More functionality, lower charges com.s.a.t. GSM gateways are separate GSM transmitters and receivers which are connected to a digital or analogue telephone system. They are available for the GSM 900 and the GSM 1800 MHz networks. The device is activated by inserting the SIM card, supplied by the operator of your choice. So you are calling from a fixed telephone system to a mobile phone and will only pay the cheaper mobile to mobile connection. Beside saving costs you will increase capacity for your fixed communications facilities. And it works in both directions. The com.s.a.t GSM gateway can be configured to all incoming and outgoing mobile calls. It is possible to use the com.s.a.t. GSM gateway for every extension line of your PBX. The calls will be directly transmitted to the GSM networks. All the advantages of your telephone system are maintained - number display, call charge information and fast connection. PC telephone Telephone systems GSM 900 / 1800 MHz com.s.a.t. GSM gateways telephone PC mobile

3 Features and Functions Easy connection The com.s.a.t. GSM gateway is connected to an external or internal S o - Port on the telecom device depending on the design. com.s.a.t. GSM gateways provide full functionality within the EDSS1 protocol. Sample configurations are available. If necessary, com.s.a.t. GSM gateways can be synchronised with the ISDN network. com.s.a.t. GSM gateways have the best performance if they are equipped with the right antenna. We will supply you with the necessary equipment. The analogue GSM gateway from com.s.a.t. DXWA and EXW The GSM gateway for analogue telecom devices. The analogue com.s.a.t GSM gateway allows direct access to the GSM networks 900/1800 MHz and can be used independent from fixed networks. These devices are the right solution for voice applications. Simple configuration of the com.s.a.t. ISDN Plus The com.s.a.t. ISDN Plus is easy to configure with a PC over the Windows application CDC. The comfortable menu allows you to select the parameter, required for operation, which are subsequently transferred via RS232 to the device. The following features can be selected using the software: NT/TE mode Point to Point or Point to Multipoint Call charge information from seconds SMS messaging Channel analysis, volume control, and others All models are available for GSM 900/1800 MHz, equipped with remote access. RS232 TE/ Sync NT LED s DCIN ISDN Module GSM Module Fax Module GSM Module

4 com.s.a.t. GSM gateway Analogue GSM gateways Digital GSM gateway Type com.s.a.t. DXWA com.s.a.t. EXW com.s.a.t. ISDN Plus GSM 900 MHz X X GSM 1800 MHz X X GSM 900/1800 MHz X One channel X X X Two channel X Voice X X X Data, Fax, SMS * X * Fax module ** X ** * Send data,, SMS via RS232 interface, WinFax 9.0 software is recommended for sending es ** Messages can be sent and received via a machine connected to the analogue port of the PBX Supported services CLIP Your number displayed on called party's telephone CLIR No number displayed on called party's telephone COLP Calling party's number displayed CFU Rerouting of call AoC Charge information BAOC Block all outgoing calls BOIC Block all outgoing international calls BAIC Block all incoming calls SIM-Lock Network-Lock Hardware interfaces RS232 for programming, SMS, Fax and data transmission RJ 45 for NT or TE connection Synchronisation port Small SIM card holder BNC connector for GSM 900 antenna Power supply LED display for operational status References Alcatel Ascom BOSCH Telecom/TENOVIS Deutsche Telekom DeTeWe Ericsson ELMEG Kapsch Northern Telecom Lucent Technologies Philips SIEMENS and many others

5 GSM gateway com.s.a.t.isdn Plus The flexible solution for many applications In addition to their primary function, to save costs, the com.s.a.t. GSM gateways are also used as a cellular local loop application. Such a solution can be installed e. g. in any kind of constructions, on river boats, caravans or mobile consultancies. You can connect telephone, and PC via the mobile network, in ISDN quality. Mobile adapters can also be used as a back up solution when the fixed network doesn t function. Then you still have the chance to continue your business. The right device for every need com.s.a.t. GSM gateways are available in various versions and service levels. For companies with a low volume of phone calls there is the single channel system. The right solution for companies with a high phone call volume is the two channel system. Top quality voice connections The com.s.a.t. ISDN Plus unit ensures digital top quality for voice connections. Together with a standard software, es can also be sent and received via PC. com.s.a.t. ISDN Plus (GSM 900/ 1800 MHz): the digital mobile radio adapter in the basic version with RS232 interface for performance enhancing data transfer. Also for analogue connections from the telephone to the GSM networks, we offer the ultimate solution for voice connections. com.s.a.t. DXWA/EXW (GSM 900/GSM 1800 MHz): the simple and cost-efficient connection to the HKZ or extension. Building sites More performance for data transfer com.s.a.t. ISDN Plus with an additional board allows you to send and receive over a machine, connected to the analogue port of the PBX. com.s.a.t. ISDN Plus is available in a one or two channel version for GSM 900/1800 MHz. Inland waterway transport PCtelephone Telephone systems GSM 900 / 1800 MHz com.s.a.t. ISDN Plus telephone PC mobile

6 Technical Data. Analogue GSM gateways Digital GSM gateway Model com.s.a.t. DXWA com.s.a.t. EXW com.s.a.t ISDN Plus Network GSM 900 MHz GSM 1800 MHz GSM 900/1800 MHz GSM-System Industry module Industry module Industry module GSM 900 MHz GSM 1800 MHz GSM 900/1800 MHz Send and receive voice voice voice, data (14,4 kbit/s with V42 V42. to Compression), Fax (Class 1, Group 3), SMS, MTMO Text In preparation: GPRS Fax class 2 Connection analogue switching, NT or TE in P-P or PMP HKZ/extension adjustable Interfaces Modular box RJ11 S O -interface, EDSS1-Protocol, 100 impedance as RJ45-connector RS232-interface: DSUB 9 - box for programmable and monitor operation Transmitting power max. 2 Watt with GSM 900 MHz max. 1 Watt with GSM 1800 MHz Features, authorisations CE, CTR 19, CTR 20 CE, CTR 3, CTR 19, CTR 20, EFR SIM card 3/5 Volt 3Volt Antenna Voltage supply 50 Impedance, connection via BNC connector Volt (via network plug) Zero signal max. 200 ma max. 400 ma Operating power max. 300 ma max. 800 ma Temperature range 5 C to 50 C/ dry interior room Dimensions (L x H x W)125 x 235 x 89 mm 300 x 195 x 65 mm Weight ca. 1,5 kg ca. 1,7 kg Subject to technical alterations. Do you want to find out more about com.s.a.t. GSM gateways? Please feel free to contact us. We will be happy to advise you and provide you with further information! com.s.a.t AG Kommunikationssysteme Gotenstraße 3 5 D Mannheim Phone: / Fax: / info@comsat.de Internet: /02/02