GSM/3G/4G SIP VoIP Router Gateway for all systems

GP-712 is a revolutionary and innovative product. It Integrates VoIP and 2.4G Bluetooth technology in a device. This makes the connection free from the limitation of frequency and telecommunication provider to become more convenient and widely use. Therefore, it can also be widely used as GSM/CDMA/WCDMA/3G/4G VoIP Gateway.


  1. VoIP and Bluetooth Mobile full integration.
  2. Compatible with SIP RFC543, RFC3261.
  3. Support call Origination (BT to VoIP), call Termination (VoIP to BT).
  4. Integrated web server for status and settings.
  5. Support SIP Proxy, or point to point application.
  6. Option of one stage, fix number ; only GP-712 has free dial function.
  7. Bluetooth with auto pairing and auto searching function.
  8. QoS and Digital Transmit.
  9. Could use with GSM/CDMA/3G/UMTS/4G various Bluetooth mobile phones.
  10. 2 Bluetooth and 2 VoIP channels.