Q921Tx23CB_t 2359 src/ftmod/ftmod_isdn/ftmod_isdn.c (Q921Tx23CB_t)ftdm_isdn_921_23, Q921Tx23CB_t 377 src/isdn/Q921.c Q921Tx23CB_t cb23, Q921Tx23CB_t 147 src/isdn/include/Q921.h typedef int (*Q921Tx23CB_t) (void *, Q921DLMsg_t ind, L2UCHAR tei, L2UCHAR *, L2INT); Q921Tx23CB_t 185 src/isdn/include/Q921.h Q921Tx23CB_t Q921Tx23Proc; Q921Tx23CB_t 210 src/isdn/include/Q921.h Q921Tx23CB_t cb23,