Proolin FWT-8888 is a 8 channels GSM Gateway that has 8 ports FXS interfaces. The device can produce a FXS line to allow a regular phone to be connected and used just like a local landline(PSTN) except your calls will go out the GSM network. This device can both receive and make calls.

The main application is: Connecting the RJ-11 FXS line to VoIP gateway such as Clarent, Cisco, Quintum or Vocaltech etc. To realize VoIP call termination. It is not a VOIP gateway. It is a GSM Fixed Wireless Terminal that produces a Analog FXS phone line.