2nd & 3rd generation SPC PABX's
Subtitle: new products and applications.
Contributors: Oyez Scientific and Technical Services.; Telecommunications Users Association.
Publisher: [Oyez Scientific & Technical Services]
Published: 1983
Place of publication: [London]
Language: eng
Notes: "Conference" held in London on 15th February 1983, organised by Oyez Scientific and Technical Services Ltd., sponsored by Telecommunications Users Association.

Cover title.