mod_freetdm: Expose new ringback E&M parameters in the XML config

libs/freetdm/mod_freetdm/mod_freetdm.c

@@ -3785,7 +3785,10 @@ static switch_status_t load_config(void)
 			char *hold_music = NULL;
 			char *fail_dial_regex = NULL;
 			char str_false[] = "false";
+			char str_empty[] = "";
 			char *answer_supervision = str_false;
+			char *ringback_during_collect = str_false;
+			char *ringback_file = str_empty;
 			uint32_t span_id = 0, to = 0, max = 0, dial_timeout_int = 0;
 			ftdm_span_t *span = NULL;
 			analog_option_t analog_options = ANALOG_OPTION_NONE;
@@ -3814,6 +3817,10 @@ static switch_status_t load_config(void)
 					max_digits = val;
 				} else if (!strcasecmp(var, "answer-supervision")) {
 					answer_supervision = val;
+				} else if (!strcasecmp(var, "ringback-during-collect")) {
+					ringback_during_collect = val;
+				} else if (!strcasecmp(var, "ringback-file")) {
+					ringback_file = val;
 				} else if (!strcasecmp(var, "enable-analog-option")) {
 					analog_options = enable_analog_option(val, analog_options);
 				}
@@ -3867,6 +3874,8 @@ static switch_status_t load_config(void)
 			if (ftdm_configure_span(span, "analog_em", on_analog_signal,
 								   "tonemap", tonegroup,
 								   "answer_supervision", answer_supervision,
+								   "ringback_during_collect", ringback_during_collect,
+								   "ringback_file", ringback_file,
 								   "digit_timeout", &to,
 								   "dial_timeout", &dial_timeout_int,
 								   "max_dialstr", &max,

libs/freetdm/src/ftmod/ftmod_analog_em/ftmod_analog_em.c

@@ -741,7 +741,7 @@ read_try:
 			rlen = fread(frame, 1, len, ringback_f);
 			if (rlen != len) {
 				if (!feof(ringback_f)) {
-					ftdm_log(FTDM_LOG_ERROR, "Error reading from ringback file");
+					ftdm_log(FTDM_LOG_ERROR, "Error reading from ringback file: %zd != %zd\n", rlen, len);
 				}
 				if (failed_read) {
 					continue;