Modelling of an experimental test design for the determination of inexperienced user difficulties in setting up international calls using nationally available instructions, or to compare different sets of instructions |
The objects of the tests are to obtain information on inexperienced user difficulties and to test the efficacy of different forms of instruction available for use in any country by observing, in a controlled laboratory environment, ordinary telephone users dialling live international calls. |
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Citation: |
https://handle.itu.int/11.1002/1000/122 |
Series title: |
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Approval date: |
1984-10-19 |
Approval process: | WTSA |
Status: |
In force |
Maintenance responsibility: |
ITU-T Study Group 2 |
Further details: |
Patent statement(s)
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Title |
Approved on |
Download |
Radio fequency-level based single-number indicator for mobile network usefulness for a given range of applications
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2023
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here
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Technical Report on analysis of ITU-T F.930
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2020
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here
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Identify call location for emergency service
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2020
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here
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