PORTech MV-374 4 Ports VOIP GSM Gateway

Mv-374 is a 4 channels voip gsmcdmaumts gateway for call termination (voip to gsmcdmaumts ) and origination ( gsmcdmaumts to voip). It is sip based and compatible with asterisk,trixbox,3cx,sip proxy server,voipbuster. It can enable to make 4 calls simultaneously from ip phones to gsmcdmaumts networks and gsmcdmaumts networks to ip phone. mv-370: 1 channel voip gsm gateway mv-372: 2 channels voip gsm gateway mv-374: 4 channels voip gsm gateway mv-378: 8 channels voip gsm gateway mv-3716:16 channels voip gsm gateway mv-3732:32 channels voip gsm gateway