Appendix

T-NetBox

Digital answerphone with a fax buffer in Deutsche Telekom’s telephone network. The Eumex 704PC LAN signals messages waiting in the T-NetBox.

Toggle

Switching back and forth between two calls. You can accept incoming calls even though you are already making a call, or have an enquiry call with other participants involved in the call.

USB

Stands for "Universal Serial Bus," a fast serial interface with a transfer rate of up to

12 Mbit/s. A (theoretical) maximum of 127 devices can be operated on a single USB interface, and the devices can be plugged in or unplugged while the computer is still running.

User-to-user signalling (UUS)

User-to user signalling enables the exchange of messages between devices via the data channel while the call is being established or cleared down. One of the main areas in which this is used is data communication. UUS enables password queries or automatic query routines from host to client computers.

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Deutsche Telekom 704PC manual NetBox, 104