The Interchange LTD Intercom Phone Bridge + Digital Hybrid Interface from JK-Audio is a 1 RU rackmount device that allows remote access to your party-line intercom system and includes a digital hybrid for connection to analog POTS (plain old telephone service) phone lines. The front panel headset interface jack can be used to allow connection to your wireless phone, tablet, or computer.
Featuring male and female 3-pin XLR intercom loop jacks, and 3-pin XLR 4-wire jacks, the Intercom LTD phone bridge is built with front panel level controls and channel select options, and has send and receive LED metering. In addition, the digital hybrid 16-bit DSP technology continuously monitors both the phone line and audio signals without the transmit/receive crosstalk common to analog hybrids.
Additionally, other features of the Interchange LTD include auto answer, listen always, talk when talk-enabled, send and caller signal-level LEDs, and a DTMF keypad redial option. Finally, the Interchange LTD is designed to allow remote access to your party-line intercom system.