ITU-T U.4 SPANISH-1988
EXCHANGE OF INFORMATION REGARDING SIGNALS DESTINED TO BE USED OVER INTERNATIONAL CIRCUITS CONCERNED WITH SWITCHED TELEPRINTER NETWORKS

Standard No.

ITU-T U.4 SPANISH-1988

Release Date

1988

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T U.4 SPANISH-1988

Scope

The CCITT considering (a) that certain signals and certain characteristics of signals used in the international telex service have been standardized in Recommendation U.1; (b) that certain Administrations have introduced automatic telex transit switching facilities based upon the signalling standards shown in Recommendation U.1; ？ that standardized signals for the European switched network for the public telegram service (gentex network) are advocated in Recommendation U.30; (d) that in view of the foregoing an exchange of information regarding the precise nature of the signals proposed to be used in the above-mentioned services by interested Administrations would be very useful; (e) that certain Administrations have already supplied such details regarding their telex services in a useful form (see supplements to the documents of the VIIIth Plenary Assembly of the CCIT, and subsequent Plenary Assemblies of the CCITT).

ITU-T U.4 SPANISH-1988 history

• 1988 ITU-T U.4 SPANISH-1988 EXCHANGE OF INFORMATION REGARDING SIGNALS DESTINED TO BE USED OVER INTERNATIONAL CIRCUITS CONCERNED WITH SWITCHED TELEPRINTER NETWORKS