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INTERNATIONAL TELECOMMUNICATION UNION
ITU-T RECOMMENDATION SUMMARY
Rec. No. : F.80
Title : Basic requirements for interworking relations between the
international telex service and other services
Study Group : I - Services
Version : New
Date of adoption : 1991
Notes :
Providers of new and evolving non-voice services are aiming to offer
communication relations with the international telex service by
introducing interworking functions. The provision of such interworking
functions must not reduce the perceived Quality of Service or modify
the operational procedures of the international telex service.
Therefore, when defining interworking functions, the general
characteristics of the international telex service, as well as its
operational provisions, listed in Recommendations F.59 and F.60, must
be considered.
Since the specific interworking procedures are defined in detail within
numerous Recommendations, it seems beneficial to summarize the basic
requirements for interworking relations between the international
telex service and other services within one single Recommendation.
Recommendation F.80 defines the basic requirements which should be
observed when defining interworking relations between the
international telex service and other services. The aim of
Recommendation F.80 is to ensure that by implementing such
interworking relations no negative influences arise for subscribers
of the international telex service.
Only the perspective of a telex subscriber communicating with terminals
of another service (via an interworking function) is considered in
Recommendation F.80.
To order the complete text of this Recommendation, please use the
Order Form for ITU-T Recommendations. An electronic version of this
form is available on ITUDOC (Winword: UPI=ITU-5265; ASCII: UPI=ITU-2488).