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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.80 : Q.80 (11/88)
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Q.80�:�Introduction to stage 2 service descriptions for supplementary services �

Recommendation Q.80 (11/88)

Approved in 1988-11-25

Status : In force

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Format Size Posted Article Number
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PDF Document PDF (acrobat)

68107 bytes 1990-05-29 E�15262�
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PDF Document PDF (acrobat)

77067 bytes 1990-05-29 S�15262�
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PDF Document PDF (acrobat)

78679 bytes 1990-05-29 F�15262�

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Format Size Posted Article Number TIES users
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Word Document Word

618077 bytes 1990-05-29 E�15262� Download
Espa�ol

Word Document Word

572800 bytes 1990-05-29 S�15262� Download
Fran�ais

Word Document Word

657133 bytes 1990-05-29 F�15262� Download

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