BS 6789-3.2:1987
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. Apparatus with auto-calling, auto-answering and auto-clearing facilities Specification for auto-answering and auto-clearing facilities
Hardcopy , PDF
27-09-2012
English
23-12-1987
Gives requirements for autocalling facilities in apparatus for connection to British Telecom public switched telephone network. Includes abbreviations and definitions, general requirements and test conditions, information to be provided by the supplier, auto answering, auto clearing and marking.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.