Model number:GP-632 

GP-632 is GSM VoIP Gateway. It connects GSM Network to VoIP Network directly and
has function of two-way communicating by GSM to VoIP or VoIP to GSM.

Insert SIM Card into general PC/SC Smart Card Reader , plug Smart Card Reader

into PC's USB port and connect to remote GP-632 by Internet in order to

register to GSM system operators.   

It is not only convenient for remote management but also saves

expensive international roaming bills.

Feature:

1. 2 VoIP and 2 GSM modules.
2. Compatible with SIP RFC 543,RFC 3261.
3. Local & Remote SIM Card Access.
4. Use general PC/SC Smart Card Reader and plug it into PC's USB port.         
5. Save telephone and international roaming bills.
6. IP or SIM Card ID verifies Access authority.
7. Support UPLINK (GSM to VoIP),
    DOWNLINK (VoIP to GSM)Routing.
8. Support VOICE REPORT IP function. 
9. Upgrade Firmware by Internet.
10. Integrated web server for status and settings.
11. Support SIP Proxy, or point to point application.
12. Fix or Free dialing function.
13. Dialout Number from IP phone Call Number.
14. 850/900/1800/1900 MHz.