A 4 -channel-based GSM gateway that ensures a stable and robust connection between the VoIP and GSM networks. This capable device is perfect for bridging soft switches to different types of GSM networks through an IP-PBX network. With such a device, landline blackouts are reduced skilfully. It is accompanied with the use of a durable device that reduces the connection costs. The possible comes in due to the gateway’s objective of locating the most affordable routes for the users amongst the channels. Moreover, the use of a cheap SIM card to is also there which maintains low costs. Using this gateway, users are able to get affordable connections when using the phone. Great features are offered in the device that lets users experience the best sound quality. Cohesive Technologies can be the trusted place to buy this device.