In automatic working, the subscriber sends the called subscriber’s national (significant) number1) by means of a dial,push-button set,or automatic dialling device.
ITU-T Q.105-1988 Referenced Document
ITU-T Q.11 Numbering Plan for the International Telephone Service - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements Study Group XI; 8 pp*, 1989-01-01 Update