3G.next
3G.next is a device that, connected to a fixed telephone or to the PSTN input terminals of a PABX or autodialer, allows to make and receive calls over the UMTS/GSM network.
The 3G.next gateway comes with a female DB-9 connector for data transmission and SMS forwarding and a micro USB A/B port for direct connection to the UMTS/GSM module (optional).
For correct operation the SIM card must be enabled for voice and data traffic.