Description

General Description: Etross****8 8 Channels *4 SIM Cards is a GSM to Analog Converter, 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**1 FXS line to connect Ordinary telephone set for voice call, to connect PBX for call extensions, to connect billing systems for public phone use, to connect VoIP gateway to realize VoIP call termination, to connect alarm system for security purpose, etc. It is not a VOIP gateway, nor a GSM+VOIP gateway, It is a GSM Fixed Wireless Terminal that produces a Analog FXS phone line. Features: 1.Dialing tone 2.DTMF Dialing ***** Presetting 4.Has 8 FXS ports 5.Displays caller ID 6.*4 SIM Cards&#**9; rotation 7.Bell signal, clear voice ***** with Asterisk 9.SIM card supported(1.8V, 3V) *0.Simple to install and operate ***** hide subscriber ID(Optional) ***** Industrial module to make *3.Provides proper reversal polarity for metering *4.Working status and Signal Strength by LED indicator ***** *4 SIM Cards with IMEI Changeable/Changer a.HM(Hand Movement) IMEI change via telephone set b.Automatic IMEI change when SIM rotation - Rotator by dial-out times - Rotator by working hours - Rotator by really clock (4 time oclock) - Rotator by total talking minutes ***** to ordinary telephones, PBX, PABX, VOIP gateway, billing system, call-back system ***** can recognize the SIM Cards that are blocked/locked or without charges by itself and raise the alarm