IPC3 QCRBs (Kernel Response to Carrier) Table 1. IPC3 QCRB Parameter Usage (Kernel Response to Carrier) Index QOpen QSend QSendB QSendR QReply QClose 1 rc (note 12) rc rc rc rc rc 2 re re re re re re 3 kqt (note 8) - - - - - 4..16 - - - - - -