freetdm: enable ec only upon SIGEVENT_PROGRESS_MEDIA

diff --git a/libs/freetdm/src/ftdm_io.c b/libs/freetdm/src/ftdm_io.c
index 6bfa37576cb96b9626d15b44cbcb4e601b81ab9e..c13fe76447d819bb87fe1eff9585e49edd823bc4 100644 (file)
--- a/libs/freetdm/src/ftdm_io.c
+++ b/libs/freetdm/src/ftdm_io.c
@@ -2417,8 +2417,6 @@ static ftdm_status_t _ftdm_channel_call_place_nl(const char *file, const char *f
        ftdm_assert_return(ftdmchan != NULL, FTDM_FAIL, "null channel");
        ftdm_assert_return(ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND), FTDM_FAIL, "Call place, but outbound flag not set\n");
 
-       ftdm_set_echocancel_call_begin(ftdmchan);
-
        if (!ftdmchan->span->outgoing_call) {
                ftdm_log_chan_msg(ftdmchan, FTDM_LOG_ERROR, "outgoing_call method not implemented in this span!\n");
                status = FTDM_ENOSYS;
@@ -5548,6 +5546,13 @@ FT_DECLARE(ftdm_status_t) ftdm_span_send_signal(ftdm_span_t *span, ftdm_sigmsg_t
                }
                break;
 
+       case FTDM_SIGEVENT_PROGRESS_MEDIA:
+               {
+                       ftdm_log_chan_msg(sigmsg->channel, FTDM_LOG_DEBUG, "Enabling echo cancellation on progress media\n");
+                       ftdm_set_echocancel_call_begin(sigmsg->channel);
+               }
+               break;
+
        case FTDM_SIGEVENT_STOP:
                if (!ftdm_test_flag(sigmsg->channel, FTDM_CHANNEL_CALL_STARTED)) {
                        /* this happens for FXS devices which blindly send SIGEVENT_STOP, we should fix it there ... */