BS 7378-3:1998
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 for connection to public telecommunications systems using the Digital Access Signalling System No. 2 (DASS 2) via a 2048 kbit/s CCITT Recommendation G.703 interface Requirements for apparatus for connection to Channel Associated Signalling Systems (CASS)
Hardcopy , PDF
09-27-2012
English
11-15-1998
Committees responsible
Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
4 General
5 Physical connection
6 Physical interface
7 Call control functions for Type 1 channel associated
signalling systems
8 Call control functions for Type 2 channel associated
signalling systems
9 Information to be provided by the supplier
Annex A (normative) Testing conditions
Annex B (normative) Channel associated signalling tests
Bibliography
Figure 1 Frequencies for the coding of digits
Figure B.1 Configuration for testing channel associated
signalling systems
Tables
1 Signalling codes used in Type 1 signalling
2 Signalling codes used in Type 2 signalling
3 Signalling channels for channel associated signalling
4 Frequency and cadences for supervisory tones
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