freetdm: enable DTMF app

diff --git a/libs/freetdm/mod_freetdm/mod_freetdm.c b/libs/freetdm/mod_freetdm/mod_freetdm.c
index 387b543b64059fee58fcbbb9ec0bdecac93a4830..f93fb6821ad52aaefe3c8f4f9426ed0389e0dc69 100644 (file)
--- a/libs/freetdm/mod_freetdm/mod_freetdm.c
+++ b/libs/freetdm/mod_freetdm/mod_freetdm.c
@@ -3473,6 +3473,25 @@ SWITCH_STANDARD_API(ft_function)
        return SWITCH_STATUS_SUCCESS;
 }
 
+SWITCH_STANDARD_APP(enable_dtmf_function)
+{
+       private_t *tech_pvt;
+       if (!switch_core_session_check_interface(session, freetdm_endpoint_interface)) {
+               ftdm_log(FTDM_LOG_ERROR, "This application is only for FreeTDM channels.\n");
+               return;
+       }
+       
+       tech_pvt = switch_core_session_get_private(session);
+
+       if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
+               switch_channel_hangup(switch_core_session_get_channel(session), SWITCH_CAUSE_LOSE_RACE);
+               return;
+       }
+       
+       ftdm_channel_command(tech_pvt->ftdmchan, FTDM_COMMAND_ENABLE_DTMF_DETECT, NULL);
+       ftdm_log(FTDM_LOG_INFO, "DTMF detection enabled in channel %d:%d\n", ftdm_channel_get_id(tech_pvt->ftdmchan), ftdm_channel_get_span_id(tech_pvt->ftdmchan));
+}
+
 SWITCH_STANDARD_APP(disable_dtmf_function)
 {
        private_t *tech_pvt;
@@ -3552,6 +3571,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_freetdm_load)
 
        SWITCH_ADD_APP(app_interface, "disable_ec", "Disable Echo Canceller", "Disable Echo Canceller", disable_ec_function, "", SAF_NONE);
        SWITCH_ADD_APP(app_interface, "disable_dtmf", "Disable DTMF Detection", "Disable DTMF Detection", disable_dtmf_function, "", SAF_NONE);
+       SWITCH_ADD_APP(app_interface, "enable_dtmf", "Enable DTMF Detection", "Enable DTMF Detection", enable_dtmf_function, "", SAF_NONE);
 
        /* indicate that the module should continue to be loaded */
        return SWITCH_STATUS_SUCCESS;