Q.400-Q.490 : Specifications of Signalling System R2

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Q.400-Q.490 : Specifications of Signalling System R2

Recommendation Q.400-Q.490 (11/88)

Approved in 1988-11-25

Status : In force

	Table of Contents
	Summary
Initially published in Blue Book Fascicle VI.4 (1988). Available now in electronic format only

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English

PDF (acrobat)

1188447 bytes

2002-07-24

E 21644

Español

PDF (acrobat)

1153645 bytes

2002-07-24

S 21646

Français

PDF (acrobat)

1225268 bytes

2002-07-24

F 21645

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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

1537536 bytes

2002-07-24

E 21644

Zip (Word)

1100700 bytes

2002-07-24

Español

Word

1524736 bytes

2002-07-24

S 21646

Zip (Word)

1027704 bytes

2002-07-24

Français

Word

1523712 bytes

2002-07-24

F 21645

Zip (Word)

1029833 bytes

2002-07-24