Telephone Technical Page

• Wiring of UK telephone sockets
  By Peter Strangman <Peter@adelheid.demon.co.uk>

• Wiring of German telephone sockets
  By Peter Strangman <Peter@adelheid.demon.co.uk>

• Wiring of European ISDN sockets
  By Peter Strangman <Peter@adelheid.demon.co.uk>

• Circuit diagram (3 GIFs, total 17k) for a line terminating unit
  (a device for interfacing and electrically isolating an audio device, e.g. a computer or answering machine, from a telephone line). Can be used in conjunction with...

• Circuit diagram (13k GIF) for a 2-line telephone exchange
  Design by me; diagram scanned by Mick Farmer <mick@dcs.bbk.ac.uk> (thank you, Mick!)

• A collection of telephone circuits (crummy ``Ascii art'' drawings) by various people: the one entitled ``Using old phones as an intercom'' is particularly clever

• ``FCC Part 68'': Connection of terminal equipment to the telephone network