1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 1 TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU%.%2!,G0G02%#/-%.$!4)/.3G0G0/.G0G04%,%0(/.%37)4#().G0G0!.$G0G03).!,).#,!53%3G0G0!00,)#!“,%G0G04/G0G0)45G134G0G034!.$!2$3934%-3- enables, therefore, incoming equipment to serve both automatic and semi-automati
2、c service;- in Systems No. 4, 6, 7 and R2 informs the equipment in the international incoming exchange that it hasnot to rely on an end-of-pulsing signal (see Recommendation Q.106);- enables the equipment in the incoming international exchange to prevent automatic calls from havingaccess to certain destinations (special services, for example)._1)For information operators, see Recommendation E.115.
