I-ETS 300 245-5 : DEC 95
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - WIDEBAND (7KHZ) HANDSET TELEPHONY
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 D-channel characteristics
4.1 General
4.2 Outgoing calls
4.3 Incoming calls
4.4 Support of supplementary services
4.5 Interim procedures
4.6 Call clearing
5 B-channel characteristics
5.1 Relative level
5.2 Signal encoding
5.3 Signal decoding
5.4 Speech transmission characteristics (handset mode)
6 Inband signalling
6.1 Frame structure
6.2 Telephony 7 kHz BAS attributes
6.3 Sequences
6.4 Procedures
Annex A (normative): Test methods
A.1 General conditions for testing
A.2 Speech transmission requirements testing
Annex B (informative): Bibliography
History
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