Signalling System No.7 testing and planning tools |
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Citation: |
https://handle.itu.int/11.1002/1000/3688 |
Series title: |
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Approval date: |
1995-10-17 |
Approval process: | TAP |
Status: |
In force |
Observation: | Formerly Supplement 1 to Q.780 series |
Maintenance responsibility: |
ITU-T Study Group 11 |
Further details: |
Patent statement(s)
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