
OpenVox SWG-M20X series wireless gateways take in SWG-M202G/W/L and SWG- M204G/W/L.SWG-M20X series wireless gateway hand different codecs, t ake in G.711U, G.711A, GSM, G.722, G.726, G.729 multiple coding. its products support SMS messages dispatch, receiving, everyone sending, and SMS to E-mail. The SWG-M20X series gateways are better compatible for Asterisk, 3CX, FreePBX, FreeSWITCH SIP server, and VOS VoIP system platforms.