The MTG series encompasses E1/T1 Digital VoIP Gateways designed to seamlessly connect VoIP and traditional PSTN networks, bridging gaps between legacy PBX systems and E1/T1 service providers. These gateways boast remarkable scalability, accommodating up to 63 E1 or T1 lines. Supporting ISDN PRI, SS7, and R2 MFC signaling, along with various voice codecs and the SIP protocol, the MTG series adeptly meets the diverse VoIP needs of SMEs, large enterprises, service providers, carriers, and call centers.