Index: channels/sig_pri.c =================================================================== --- channels/sig_pri.c (revision 355948) +++ channels/sig_pri.c (working copy) @@ -5060,7 +5060,7 @@ #endif /* defined(HAVE_PRI_CALL_WAITING) */ { /* We will not accept incoming call waiting calls. */ - pri_hangup(pri->pri, e->ring.call, PRI_CAUSE_INCOMPATIBLE_DESTINATION); + pri_hangup(pri->pri, e->ring.call, PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION); break; } #if defined(HAVE_PRI_CALL_WAITING)