(Q26985437)

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Recommendation I.257.1 (11/1988): Additional information transfer supplementary services: User-to-User Signalling (UUS)

superseded recommendation/international standard from the International Telecommunication Union

ITU-T I.257.1

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instance of

ITU-T recommendation version

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title

Additional information transfer supplementary services: User-to-User Signalling (UUS) (English)

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edition number

11/1988

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publisher

ITU Telecommunication Standardization Sector

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language of work or name

English

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publication date

25 November 1988

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number of pages

12

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official website

https://www.itu.int/rec/T-REC-I.257.1-198811-S/en

language of work or name

English

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full work available at URL

https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-I.257.1-198811-S!!PDF-E&type=items

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standards body

International Telecommunication Union

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cites work

Recommendation I.130 (11/1988): Method for the characterization of telecommunication services supported by an ISDN and network capabilities of an ISDN

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Recommendation I.140 (11/1988): Attribute technique for the characterization of telecommunication services supported by an ISDN and network capabilities of an ISDN

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Recommendation I.210 (11/1988): Principles of telecommunication services supported by an ISDN and the means to describe them

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Recommendation I.252.1 (11/1988): Call offering supplementary services: Call Transfer

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Recommendation I.252.2 (11/1988): Call offering supplementary services: Call Forwarding Busy (CFB)

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Recommendation I.252.3 (11/1988): Call offering supplementary services: Call Forwarding No Reply (CFNR)

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Recommendation I.252.4 (11/1988): Call offering supplementary services: Call Forwarding Unconditional (CFU)

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Recommendation I.253.2 (11/1988): Call completion supplementary services: Call Hold (HOLD)

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Recommendation I.254.1 (11/1988): Multiparty supplementary services: Conference calling (CONF)

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Recommendation I.254.2 (11/1988): Multiparty supplementary services: Three-Party Supplementary Service (3PTY)

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Recommendation I.256.2a (11/1988): Charging supplementary services: Advice of charge (AOC)

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Recommendation I.256.2b (03/1993): Charging supplementary services: Advice of charge: charging information during the call (AOC-D)

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Recommendation I.256.2c (03/1993): Charging supplementary services: Advice of charge: charging information at the end of the call (AOC-E)

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Identifiers

ITU-T Recommendation

I.257.1 (11/1988)

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(Q26985437)

Recommendation I.257.1 (11/1988): Additional information transfer supplementary services: User-to-User Signalling (UUS)

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