- 16 Ports VoIP GSM Gateway GoIP-16 for call termination (VoIP to GSM) and origination (GSM to VoIP). It is SIP&H.323 based and compatible with Asterisk, Trixbox, 3CX, SIP Proxy Server, VoipBuster. It can enable to make 1/4/8/16 calls simultaneously from IP phones to GSM networks and GSM networks to IP phone.
16 GSM channels, up to 16 SIM cards
For call termination (VoIP to GSM) and origination (GSM to VoIP)
Standard SIP & H.323 protocol, Communicates with other gateway or PC
Quad band, IMEI changeable, Remote Access
Support of SMB32 SIM Bank
Optional SMS termination
Allows your program send/receive SMS with AT command