- do_screen(0, e_callerinfo.id2, sizeof(e_callerinfo.id2), &e_callerinfo.ntype2, &e_callerinfo.present2, e_callerinfo.interface);
- do_screen(0, e_redirinfo.id, sizeof(e_redirinfo.id), &e_redirinfo.ntype, &e_redirinfo.present, e_callerinfo.interface);
+ if (e_callerinfo.id2[0]) do_screen(0, e_callerinfo.id2, sizeof(e_callerinfo.id2), &e_callerinfo.ntype2, &e_callerinfo.present2, e_callerinfo.interface);
+ if (e_redirinfo.id[0]) do_screen(0, e_redirinfo.id, sizeof(e_redirinfo.id), &e_redirinfo.ntype, &e_redirinfo.present, e_callerinfo.interface);