Q921SendEnquiry 1083 src/isdn/Q921.c Q921SendEnquiry(trunk, tei); Q921SendEnquiry 1108 src/isdn/Q921.c Q921SendEnquiry(trunk, tei); Q921SendEnquiry 1153 src/isdn/Q921.c Q921SendEnquiry(trunk, tei); Q921SendEnquiry 276 src/isdn/include/Q921priv.h static int Q921SendEnquiry(L2TRUNK trunk, L2UCHAR tei);