Teltone's TLS-4 is a sophisticated programmable simulator that makes it easy to test the features of telecommunications equipment including: • Telephones • Modems • Faxes • PBX's • Interconnect Systems • Anything that connects to a phone line! The TLS-4 is Teltone's lowest-cost 4 port unit. Using the keys on a touch-tone phone, you can program any of the TLS-4's features. Features like PBX simulation, hot line ringdown, programmable ring cadence, network response time delays make the TLS-4 the most powerful simulators in its class. [If you are looking for even more features, like Caller ID, see the information on the TLS-5.] TLS-4 Features • Four loop start lines with two talk paths • Programmable features including: Primary/secondary telephone numbers up to 16 digits, ring cadence (distinctive ringing), off-hook modes, network response time delays, test tone frequency and cadence, line attenuation, and forced disconnect • Dial Up Test Tones • Hot line ringdown: Automatically rings another station(s) when the handset is lifted. • Precise Call Progress Tones (dial tone, busy, reorder, and ringback). Eight selectable waveforms, Programmable call processing delays. Selectable response to non-valid numbers. • PBX Features including: Call transfer, call hold, conference calling, hunt group operation, “9” access to outside line. • Forced Disconnect: Disconnects either the caller or called party after a programmable delay • Audio Port: Standard 5-pin DIN jack for recording or playing voice or tones. • Touchtone or PC programming North American MSRP: $795