ITU U.40:1993
ITU U.40:1993 Reactions By Automatic Terminals Connected To The Telex Network In The Event Of Ineffective Call Attempts Or Signalling Incidents
Table of Contents
1Ineffectiveoutgoingcall1.1Non-returnofthecall-confirmationand/or
proceed-to-selectsignal(s)
1.2Sloworincompleteselection
1.3Noresponseafterselection
1.4Ineffectiveattemptsfollowedbyservicesignals
1.5Ineffectivecallscharacterizedbyaclearingsignal
withoutaprecedingservicesignal
1.6Receptionofananswerback
1.7Possibleterminalconfiguration
2Ineffectiveincomingcalls
2.1Falsecalls
3Incidentsfollowingcallset-up
3.1Idlecircuitwithoutclearingsignal
3.2Noclear-confirmation