GSM VoIP Gateway which provides 16 SIM modules;
Supports 16 GSM channels and 1 Ethernet ports.
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OpenVox SWG-1016G gateway supports 16 GSM Channels and 1 Ethernet interface, And the band is 850/900/1800/1900 MHz.
SWG-1016G gateway supports multiple codecs, including G.711U, G.711A, GSM, G.722, G.723, G.726, G.729 multiple coding. The GSM gateway will be 100% compatible with Asterisk, Elastix, trixbox, 3CX, FreeSWITCH SIP server and VOS VoIP operating platform. It can help users reduce telecommunications and communication costs.