4 Channels GSM Gateway
4001B is a 4 Channels GSM Gateway. It can produce a FXS line to allow a regular 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 connect Ordinary tele set for voice call, to connect PBX for call extentions, to connect billing systems for public 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 line.
- It is a 4 Channels GSM Gatewaythat has 4 ports FXS interfaces;
- Each port has 1 SIM card (1.8V, 3V)
- It can connect with ordinary tele set, PBX, VOIP gateway, billing meter etc.
- It is compatible with Asterisk
- Dialing tone frequency: 450Hz
- Employ industrial module (850/900/1800/1900MHz)
- Can adjust voice volume by setting up from tele set
- Caller ID display
- DTMF dialing
- Bell signal
- Polarity reversal
- The RJ-11 socket which connect the or billing system for metering purpose
- Antenna socket (SMA)
- IP Presetting
- Working status and signal strength by LED indicator
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