Page 1029 of 1814International ISDN PRI Feature description and administration1042ISDN QSIG/EuroISDN Call CompletionContentsThe following are the topics in this section:Regional material statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1029Feature description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1029Operating parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1030Feature interactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1031Feature packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1034Feature implementation . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1036Task summary list . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1036Feature Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1040Call Completion on Busy Subscriber . . . . . . . . . . . . . . . . . . . . . . . . 1040Call Completion No Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1041Regional material statementThe information presented in this section does not pertain to all marketregions. Contact your system supplier or your Nortel Networks representativeto verify support of this product in your area.Feature descriptionThe ISDN QSIG/EuroISDN Call Completion feature expands Ring Againfunctionalities on QSIG and EuroISDN interfaces. This feature provides CallCompletion to Busy Subscriber (CCBS) and Call Completion on NoResponse (CCNR) supplementary services.