chlog: freetdm: isdn: fix for 4ESS call clearing procedures

diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
index 97984fbfab77fa60a0f0a77b162f27d3449cbf48..5702b72fa292d0347c26a8c9f69029a85526e681 100644 (file)
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
@@ -801,12 +801,14 @@ static ftdm_status_t ftdm_sangoma_isdn_process_state_change(ftdm_channel_t *ftdm
                                                sngisdn_snd_release(ftdmchan, 0);
                                                break;
                                        case FTDM_CHANNEL_STATE_PROCEED:
-                                               if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND) &&
-                                                       ((sngisdn_span_data_t*)(ftdmchan->span->signal_data))->switchtype == SNGISDN_SWITCH_5ESS) {
+                                               if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
+                                                       if (((sngisdn_span_data_t*)(ftdmchan->span->signal_data))->switchtype == SNGISDN_SWITCH_4ESS ||
+                                                           ((sngisdn_span_data_t*)(ftdmchan->span->signal_data))->switchtype == SNGISDN_SWITCH_5ESS) {
                                                        
-                                                       /* When using 5ESS, if the user wants to clear an inbound call, the correct procedure is to send a PROGRESS with in-band info available, and play tones. Then send a DISCONNECT. If we reached this point, it means user did not try to play-tones, so send a RELEASE because remote side does not expect DISCONNECT in state 3 */
-                                                       sngisdn_snd_release(ftdmchan, 0);
-                                                       break;
+                                                               /* When using 5ESS, if the user wants to clear an inbound call, the correct procedure is to send a PROGRESS with in-band info available, and play tones. Then send a DISCONNECT. If we reached this point, it means user did not try to play-tones, so send a RELEASE because remote side does not expect DISCONNECT in state 3 */
+                                                               sngisdn_snd_release(ftdmchan, 0);
+                                                               break;
+                                                       }
                                                }
                                                /* fall-through */
                                        default: