Q921_DL_ESTABLISH 1496 src/isdn/Q921.c case Q921_DL_ESTABLISH: Q921_DL_ESTABLISH 1942 src/isdn/Q921.c Q921Tx23Proc(trunk, Q921_DL_ESTABLISH, tei, NULL, 0); Q921_DL_ESTABLISH 1990 src/isdn/Q921.c Q921Tx23Proc(trunk, Q921_DL_ESTABLISH, tei, NULL, 0); Q921_DL_ESTABLISH 2135 src/isdn/Q921.c Q921Tx23Proc(trunk, Q921_DL_ESTABLISH, tei, NULL, 0);