The MV-372 SIP VoIP GSM Gateway performs the same function as the MV-370 but is a dual sim unit holding 2 SIM cards to provide 2 channels for SIP / GSM calls. The MV372 VoIP GSM gateway is ideal for connection to VOIP PBX Phone Systems such as Asterisk to work as a SIP trunk for calls to and from mobile phones.
ONLY SUPPORTED FOR USE WITH ASTERISK PBX
USUALLY IN STOCK FOR NEXT DAY DELIVERY