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� Home : ITU-T : Publications : Recommendations : I�Series : I.121 : I.121 (04/91)
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I.121�:�Broadband aspects of ISDN �

Recommendation I.121 (04/91)

Approved in 1991-04-05

Status : In force

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Format Size Posted Article Number
English

PDF Document PDF (acrobat)

68197 bytes 1991-07-15 E�2009�
Espa�ol

PDF Document PDF (acrobat)

79598 bytes 1991-07-15 S�2010�
Fran�ais

PDF Document PDF (acrobat)

81179 bytes 1991-07-15 F�2008�

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TIES users

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Format Size Posted Article Number TIES users
English

Word Document Word

94034 bytes 1991-07-15 E�2009� Download
Espa�ol

Word Document Word

65470 bytes 1991-07-15 S�2010� Download
Fran�ais

Word Document Word

66104 bytes 1991-07-15 F�2008� Download

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