PD-6562 | BS 6789-3.1:1985. Apparatus with one or more particular functions for connection to the BritishTelecommunications public switched network. Part 3. Apparatus with auto-calling, auto-answering and auto-clearing facilities. Specification for auto-calling facilities | Document Center, Inc.

PD-6562 › Complete Document History
BS 6789-3.1:1985. Apparatus with one or more particular functions for connection to the BritishTelecommunications public switched network. Part 3. Apparatus with auto-calling, auto-answering and auto-clearing facilities. Specification for auto-calling facilities

Obsolete Revision Information:

1992 EDITION - WITHDRAWN, 8/2/2013 - Oct. 31, 1992