- WARNING - Add STATUS ENQUIRY message handling to ozmod_isdn, this is a bad hack...

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@754 a93c3328-9c30-0410-af19-c9cd2b2d52af

diff --git a/libs/freetdm/src/ozmod/ozmod_isdn/ozmod_isdn.c b/libs/freetdm/src/ozmod/ozmod_isdn/ozmod_isdn.c
index 192a4446a24d5145eb89365bcf49deeaa4627f0c..7aa23604faae7ac4d8984b39a84aea1dbb17e49a 100644 (file)
--- a/libs/freetdm/src/ozmod/ozmod_isdn/ozmod_isdn.c
+++ b/libs/freetdm/src/ozmod/ozmod_isdn/ozmod_isdn.c
@@ -1013,6 +1013,61 @@ static L3INT zap_isdn_931_34(void *pvt, L2UCHAR *msg, L2INT mlen)
                        }
                        break;
 
+               case Q931mes_STATUS_ENQUIRY:
+                       {
+                               /*
+                                * !! HACK ALERT !!
+                                *
+                                * Map OpenZAP channel states to Q.931 states
+                                */
+                               Q931ie_CallState state;
+                               Q931ie_Cause cause;
+
+                               gen->MesType = Q931mes_STATUS;
+                               gen->CRVFlag = gen->CRVFlag ? 0 : 1;
+
+                               state.CodStand  = Q931_CODING_ITU;      /* ITU-T */
+                               state.CallState = Q931_U0;              /* Default: Null */
+
+                               cause.IEId = Q931ie_CAUSE;
+                               cause.Size = sizeof(Q931ie_Cause);
+                               cause.CodStand = Q931_CODING_ITU;       /* ITU */
+                               cause.Location = 1;     /* private network */
+                               cause.Recom    = 1;     /* */
+                               *cause.Diag    = '\0';
+
+                               if(zchan) {
+                                       switch(zchan->state) {
+                                       case ZAP_CHANNEL_STATE_UP:
+                                               state.CallState = Q931_U10;     /* Active */
+                                               break;
+                                       case ZAP_CHANNEL_STATE_RING:
+                                               state.CallState = Q931_U6;      /* Call present */
+                                               break;
+                                       case ZAP_CHANNEL_STATE_DIALING:
+                                               state.CallState = Q931_U1;      /* Call initiated */
+                                               break;
+                                       case ZAP_CHANNEL_STATE_DIALTONE:
+                                               state.CallState = Q931_U25;     /* Overlap receiving */
+                                               break;
+
+                                       /* TODO: map missing states */
+
+                                       default:
+                                               state.CallState = Q931_U0;
+                                       }
+
+                                       cause.Value = 30;       /* response to STATUS ENQUIRY */
+                               } else {
+                                       cause.Value = 98;       /* */
+                               }
+
+                               gen->CallState = Q931AppendIE((L3UCHAR *) gen, (L3UCHAR *) &state);
+                               gen->Cause     = Q931AppendIE((L3UCHAR *) gen, (L3UCHAR *) &cause);
+                               Q931Rx43(&isdn_data->q931, (L3UCHAR *) gen, gen->Size);
+                       }
+                       break;
+
                default:
                        zap_log(ZAP_LOG_CRIT, "Received unhandled message %d (%#x)\n", (int)gen->MesType, (int)gen->MesType);
                        break;