Q921SendUA 1931 src/isdn/Q921.c Q921SendUA(trunk, Q921SendUA 1953 src/isdn/Q921.c Q921SendUA(trunk, Q921SendUA 1974 src/isdn/Q921.c Q921SendUA(trunk, Q921SendUA 2215 src/isdn/Q921.c Q921SendUA(trunk, Q921SendUA 2229 src/isdn/Q921.c Q921SendUA(trunk, Q921SendUA 253 src/isdn/include/Q921priv.h static int Q921SendUA(L2TRUNK trunk, int Sapi, int cr, int Tei, int pf);