VS-GW1202 V2 Analog Gateway, an update product of the VS-GW1202 Series, is now the lead open source Asterisk- based VoIP Gateway solution with the SMBs and SOHOs. With a friendly GUI, its modular design is unique, users may simply set up and customized Gateway. Also, secondary development can be finished through AMI (Asterisk Management Interface). The VS-GW1202 V2 Analog Gateway usage standard SIP protocol with compatible and Leading IMS/NGN, IPPBX and SIP servers, help most of the VoIP operating structure such as Asterisk, Elastix, 3CX, Free SWITCH, Broad soft, etc.