Which phone system should I buy?
Subtitle: the guide to PBXs and key systems : plus a special OAI section.
Contributors: Telecom Library.
Edition: 8th ed.
Publisher: Telecom Library
Published: 1991
Place of publication: New York, NY
Language: eng
Subjects: Telephone systems -- Purchasing.; Telephone -- Private branch exchanges -- Purchasing.
Other titles: Teleconnect guide to which phone system should I buy?
Notes: "The Teleconnect guide to which phone system should I buy?"--T.p. verso.