Facsimile Call Cut-off Performance Series E: Overall Network Operation Telephone Service Service Operation and Human Factors Network Management - Checking the Quality of the International Telephone Service Study Group 2
The definitions in clause 4 below apply to test calls: that use automatic-to-automatic scenario (method No.4 in Table 1 /T.30) and may be adapted for other methods in the same table; that use standard test transactions as defined in ITU-T E.456.