Committees responsible
Preface
Foreword
1 Scope
2 Abbreviations and definitions
3 General operating conditions
4 Marking
5 Information to be provided by the supplier
6 Electrical PSTN connection methods
7 Not assigned
8 CTA off-line: ringing state
9 CTA on-line: non-signalling state
10 CTA on-line: signalling state
11 Multi-frequency tone signalling
12 Special signalling conditions
13 Speech transmission process
14 Call control
15 Control layout and operation
16 Safety
17 RF link control protocols
18 Operating strategy
19 Radio receivers
Appendices
A General conditions of test
B Methods of test
Tables
1 Allocation of plug pins
2 Classification
3 Coordinates of voltage limit curves for d.c.
    characteristics
4 Coordinates of sending sensitivity limit curves
5 Coordinates of receiving sensitivity limit curves
6 Coordinates of sending loudness rating limit curves
    for line lengths up to 7.5 km
7 Coordinates of receiving loudness rating limit
    curves for line lengths up to 7.5 km
8 Speech quality results
9 Parameters required to calculate SLR, STMR and RLR
Figures
1 Circuit for speech immunity testing of ringing
    detector
2 D.C. characteristics
3 Sending sensitivity limits for line lengths of 0 km
4 Sending sensitivity limits for line lengths over
    0 km and up to 3 km
5 Sending sensitivity limits for line lengths over
    3 km and up to 7.5 km
6 Receiving sensitivity limits for line lengths of
    0 km
7 Receiving sensitivity limits for line lengths over
    0 km and up to 3 km
8 Receiving sensitivity limits for line lengths over
    3 km and up to 7.5 km
9 Sending loudness rating limits
10 Receiving loudness rating limits
11 Configuration of a typical UK rotary dial
12 Limits of ambient noise for speech transmission
    tests
13 The local telephone system (LTS)
14 Artificial line segment, 0.1 km in length
15 Feeding bridge
16 Circuit for measurement of signal levels
17 Circuit for instability test
18 Circuit for ringing signal test
19 Test hammer
20 Handset position for instability test
21 Handset position for test of audible incoming call
    indication level at 1 m
22 Test configurations