I-ETS 300 245-7 : NOV 95
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - LOCALLY GENERATED INFORMATION TONES
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions and use of tones
4 Tone classification and minimum requirements
5 Control of tone generation
5.1 Dial tones (normal or special)
5.2 Ringing tone
5.3 Call reject and invalid attempt
5.4 Call waiting tone
6 Tone characteristics
6.1 Sound pressure level
6.2 Distortion
6.3 Frequency and cadence
6.4 Switching delay (informative)
Annex A (normative): Selection of tones according to
cause values
Annex B (normative): Test specifications
B.1 General conditions for testing
B.2 Tone measurements
Annex C (normative): Tone characteristics
C.1 General
C.2 Dial tone
C.3 Ringing tone
C.4 Busy tone
C.5 Congestion tone
C.6 Special information tone
C.7 Call waiting tone
History
To specify a harmonized set of information tones to be generated by a digital telephony terminal
| Committee |
TE 4
|
| DocumentType |
Miscellaneous Product
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN V I-ETS 300245-7:1996-07 | Identical |
| PN I-ETS 300 245-7 : 2005 | Identical |
| TR 101 329 : 2.1.1 | TELECOMMUNICATIONS AND INTERNET PROTOCOL HARMONIZATION OVER NETWORKS (TIPHON) - GENERAL ASPECTS OF QUALITY OF SERVICE (QOS) |
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.