Huawei Model GSM Voice Gateway, Vodafone MT90 Gsm Base Box, Huawei Gsm Fwt 900/1800Mhz

VODAFONE MINI STATION VOICE MT90 is a GSM to Analog Converter(single port,insert 1 sim card only), the device canproduce a FXS line to allow a regular phone to be connected and used just like a local landlin(PSTN) except your calls will go out the GSM network.

This device can both receive and make calls.

How to work:

1) Connecting to Ordinary Telephone

Draw your attention:Because there are many types of ordinary telephone and their electric parameters are different. In order to avoid mutual disturbance between telephone and terminal and affect voice quality. The distance between telephone and terminal is 1.5m at least.

2) connecting to PBX for call extentions

If users want to connect small PBX to this terminal, connect terminal’s “Phone port” to the PBX.

3) connecting VoIP gateway for Call Termination

Suppose a VoIP call originates from US, which was transferred from US Server to China Server on VoIP, finally the call will be terminated from internet to GSM network and to be sent out to the destination answer side.

4) connecting to alarm system for Security

The GSM FWT can substitute the PSTN for connecting to alarm system for security purpose when PSTN failure or not available.