E.131 : Subscriber control procedures for supplementary telephone services

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E.131 : Subscriber control procedures for supplementary telephone services

Recommendation E.131 (11/88)

Approved in 1988-11-25

Status : In force

Access : Freely available items

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Format

Size

Posted

Article Number

English

PDF (acrobat)

75113 bytes

1989-01-24

E 14836

Español

PDF (acrobat)

85062 bytes

1989-01-24

S 14836

Français

PDF (acrobat)

91666 bytes

1989-01-24

F 14836

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TIES users

Available languages and formats :

Click on the selected format
and language to get the document

Format

Size

Posted

Article Number

TIES users

English

Word

55682 bytes

1989-01-24

E 14836

Español

Word

67339 bytes

1989-01-24

S 14836

Français

Word

68161 bytes

1989-01-24

F 14836