The Mitel MT8950AC is a high-capacity gateway module that connects VoIP systems to analog telephone lines. It is capable of supporting up to 48 concurrent calls and delivering superior sound quality. It supports up to four analog telephone lines that can be configured with common features such as call waiting, call forwarding, caller ID, and voicemail. Additionally, the MT8950AC is capable of transmitting faxes and modem data and supports standard TDM-compliant protocols. For added security, the MT8950AC can be configured to use encrypted VoIP protocols.