PD-6571 | BS 6789-2:1992. Apparatus with one or more particularfunctions for connection to public switched telephone networks run bycertain public telecommunication operators. Specification forapparatus with loudspeaking facilities | Document Center, Inc.

PD-6571 › Complete Document History
BS 6789-2:1992. Apparatus with one or more particularfunctions for connection to public switched telephone networks run bycertain public telecommunication operators. Specification forapparatus with loudspeaking facilities

Obsolete Revision Information:

1992 EDITION - WITHDRAWN, 8/2/2013 - Oct. 31, 1992