SMG4002-2WZ is a 2 SIM -3G SIP gateway supporting all 3 carriers .
Ideal for SIP failover and utilising low cost mobile plans. 850/900/2100Mhz bands.
With over two decades of expertise in signaling and voice technology, Synway VoIP gateway family helps customers access to IP networks from legacy telephony applications more reliably and efficiently. Our field-proven PSTN/IP signaling technology possesses unparalleled and seamless interoperability with any complex network environments, which exponentially reduces your investments and time to markets under any uncertain situations.