NetLink Gw400-SB series GSM/LTE VoIP Gateway is a multi-functional gateway that helps to effectively implement calls between 2G/3G mobile network and VoIP network. With new designed pop-up SIM card slot, users are able to change SIM cards easily without dismantling equipment. Moreover, with the opened API, the users could build their own application software to send SMS/USSD messages or bulk SMS messages, or push their text messages from email, HTTP, etc.
It has great performance in software features also in the new hardware structure design. The gateway provides low-cost, easy and flexible IP telephony solutions to enterprises, SMEs and business offices, etc.