The SPE 1.1 pro Voice over IP Adapter (Gateway) is capable of delivering and ultra-affordability solution for commercial and residential application worldwide, and meets international branches, SOHO and personal needs. The SPE Gateway is a low cost, feature rich SIP device that supports router, VoIP, FoIP and remote software upgrading functionalities and can be installed seamlessly in any SIP based telephony system. It can be connected directly to phones, fax machines, key systems, PSTN lines or a PBX.