Page 935 of 1814International ISDN PRI Feature description and administration940ISDN QSIG Basic CallContentsThe following are the topics in this section:Regional material statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 935Feature description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 935Operating parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 936Feature interactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 937Feature packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 938Feature implementation . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 939Task summary list . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 939Feature operation . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 940Regional material statementISDN BRI trunking is not available in North America. Contact your systemsupplier or your Nortel Networks representative to verify support of thisproduct in your area.Feature descriptionIntegrated Services Digital Network (ISDN) Q Reference Signaling Point(QSIG) Basic Call complies with the ISDN protocol that specifies theLayer 3 signaling requirement for support of circuit switched call control atthe “Q” reference point between Private Telecommunications NetworkExchanges (PTNXs) connected within a Private TelecommunicationsNetwork (PTN).
