The Audiocodes Mediant M1KB Hybrid Media Gateway with Copper 1000 Base-T WAN Interface is a modular, compact, and cost-effective media gateway solution that has been designed to interface between TDM and IP networks in enterprises or small-scale carrier locations. The compact Mediant 1000 modular gateway is extremely scalable and supports multiples of 1, 2 or 4 E1/T1/J1 spans or 1 to 24 analog ports in various FXS/FXO configurations. The Mediant 1000 also supports mixed digital/analog configurations. The M1KB has 6 empty bays that can be used for Audiocodes Voice Modules. Each M1KB can handle up to 4 T1/E1 and multiple analog voice modules. The Mediant 1000B is based on VoIPerfect, AudioCodes' underlying media gateway core technology for all of its products. The Mediant 1000B provides superior voice technology for connecting legacy telephone and PBX systems to IP networks, as well as seamless connection of the IP-PBX to the PSTN. In addition to operating as a pure media gateway, the Mediant 1000B can also host partner applications and serve as an IP-PBX platform via an OSN3 Module. The Mediant 1000B is fully interoperable with multiple vendor gateways, Softswitches, gatekeepers, proxy servers, IP phones, Session Border Controllers and firewalls.