Best High Performance GSM Gateway for set up Call Termination

1- Changing SIM automatically(Fix SIM blocking)
2- Remote Control (Access your device system anywhere)
3- Support SIM Rotating
4- Support Human Behaviours:Inter SMS, inter Call, Change IMEI, Change base station, Change Sims (Start the next call after every several minutes)
5- Multi-Codec Support (G729 a/b/e,G723,G711 A/U law,iLBC)
6- 2G/3G/4G models are available
7- Compatible in any country to make/receive free international calls

Hot selling models: SK16-128 SK16-256 SK16-512 SK32-128 SK32-256 SK32-512

Q Q:2987829523
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