EG 202 057-2 : 1.3.2
Current
The latest, up-to-date edition.
SPEECH AND MULTIMEDIA TRANSMISSION QUALITY (STQ); USER RELATED QOS PARAMETER DEFINITIONS AND MEASUREMENTS; PART 2: VOICE TELEPHONY, GROUP 3 FAX, MODEM DATA SERVICES AND SMS
Hardcopy , PDF
English
Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
4 General considerations
5 QoS parameters for voice, data and fax services accessed
via the PTN and SMS
Annex A - Combination of weekly or monthly results
Annex B - Further explanation of "X % of"
Annex C - Decision about the success of a call attempt
Annex D - Relationship between the accuracy of the estimator
of the unsuccessful call ratio and the number of
calls to be observed
Annex E - Method of calculating the number of observations
required for measures of time
Annex F - Standardized test chart for fax connection quality
Annex G - Guidance on the selection of representative samples
and test calls
Annex H - Application examples of measurement location
determination
Annex I - Calculation of the Design figure of merit for speech
quality
Annex J - Bibliography
History
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