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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.23 : Q.23 (11/88)
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Q.23�:�Technical features of push-button telephone sets �

Recommendation Q.23 (11/88)

Approved in 1988-11-25

Status : In force

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Format Size Posted Article Number
English

PDF Document PDF (acrobat)

58914 bytes 1990-05-29 E�11814�
Espa�ol

PDF Document PDF (acrobat)

65044 bytes 1990-05-29 S�11814�
Fran�ais

PDF Document PDF (acrobat)

66393 bytes 1990-05-29 F�11814�

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TIES users

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Format Size Posted Article Number TIES users
English

Word Document Word

169151 bytes 1990-05-29 E�11814� Download
Espa�ol

Word Document Word

159216 bytes 1990-05-29 S�11814� Download
Fran�ais

Word Document Word

157486 bytes 1990-05-29 F�11814� Download

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