ITU U.220:1993
ITU U.220:1993 The International Telex Service - Technical Requirements For A Status Enquiry Function In An Interworking Scenario
Table of Contents
1Scope2Generalprinciples
2.1Accesstypes
2.2Applicabilityforatelexsubscriber
2.3TypesoffunctionstobeprovidedbytheSEF
3Accessprotocols
3.1Accessprotocolbyuseofanaccessnumberdifferent
fromthenormalIWFnumber
3.2Accessprotocolbyuseofthesameaccessnumberas
thenormalIWFnumber