Q921SendDM 1963 src/isdn/Q921.c Q921SendDM(trunk, Q921SendDM 2206 src/isdn/Q921.c Q921SendDM(trunk, Q921SendDM 251 src/isdn/include/Q921priv.h static int Q921SendDM(L2TRUNK trunk, int Sapi, int cr, int Tei, int pf);