FS-3000 mod_conference: if more digits than the length of the correct pin the…

FS-3000 mod_conference: if more digits than the length of the correct pin the remaining digits are accounted for next retry

src/mod/applications/mod_conference/mod_conference.c

@@ -5597,6 +5597,7 @@ SWITCH_STANDARD_APP(conference_function)
 			char pin_buf[80] = "";
 			int pin_retries = 3;	/* XXX - this should be configurable - i'm too lazy to do it right now... */
 			int pin_valid = 0;
+			int be_friendly = 0;
 			switch_status_t status = SWITCH_STATUS_SUCCESS;
 			char *supplied_pin_value;
 
@@ -5631,6 +5632,7 @@ SWITCH_STANDARD_APP(conference_function)
 				switch_status_t pstatus = SWITCH_STATUS_FALSE;
 
 				/* be friendly */
+				if (!be_friendly) {
 					if (conference->pin_sound) {
 						pstatus = conference_local_play_file(conference, session, conference->pin_sound, 20, pin_buf, sizeof(pin_buf));
 					} else if (conference->tts_engine && conference->tts_voice) {
@@ -5644,6 +5646,9 @@ SWITCH_STANDARD_APP(conference_function)
 						switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "Cannot ask the user for a pin, ending call");
 						switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
 					}
+				}
+
+				be_friendly = 1;
 
 				/* wait for them if neccessary */
 				if (strlen(pin_buf) < strlen(dpin)) {
@@ -5660,13 +5665,12 @@ SWITCH_STANDARD_APP(conference_function)
 
 				pin_valid = (status == SWITCH_STATUS_SUCCESS && strcmp(pin_buf, dpin) == 0);
 				if (!pin_valid) {
-					/* zero the collected pin */
-					memset(pin_buf, 0, sizeof(pin_buf));
-
 					/* more friendliness */
 					if (conference->bad_pin_sound) {
 						conference_local_play_file(conference, session, conference->bad_pin_sound, 20, pin_buf, sizeof(pin_buf));
 					}
+					/* zero the collected pin */
+					memset(pin_buf, 0, sizeof(pin_buf));
 				}
 				pin_retries--;
 			}