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1.
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Clear description of the referenced document:
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Name:
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ETSI ES 201 873-4 V4.6.1 (2017-05)
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Title:
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Methods for Testing and Specification (MTS); The Testing and Test Control Notation version 3; Part 4: TTCN-3 Operational Semantics
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2.
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Status of approval:
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Normative
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3.
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Justification for the specific reference:
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The referenced document is the text on which Recommendation Z.164 is based.
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4.
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Current information, if any, about IPR issues:
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ETSI IPR information is available at http://www.etsi.org/
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5.
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Other useful information describing the "Quality" of the document:
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ETSI ES 201 873-4 V4.6.1 (2017-05) was published by ETSI in May 2017.
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6.
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The degree of stability or maturity of the document:
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ETSI Published.
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7.
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Relationship with other existing or emerging documents:
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Is the only currently published standard on this subject.
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8.
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Any explicit references within that referenced document should also be listed:
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[1] ETSI ES 201 873-1: "Methods for Testing and Specification (MTS); The Testing and Test Control Notation version 3; Part 1: TTCN-3 Core Language".
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9.
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Qualification of
ETSI:
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ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
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10.
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Other (for any supplementary information):
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None.
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