suppress frame timestamp when raw write mode is set (missed a spot)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10691 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_ivr_originate.c

@@ -351,7 +351,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_wait_for_answer(switch_core_session_t
 
 		if (switch_channel_test_flag(caller_channel, CF_PROXY_MODE) || switch_channel_test_flag(caller_channel, CF_PROXY_MEDIA)) {
 			ringback_data = NULL;
-		} else {
+		} else if (switch_strlen_zero(ringback_data)) {
 			if ((var = switch_channel_get_variable(caller_channel, SWITCH_SEND_SILENCE_WHEN_IDLE_VARIABLE))) {
 				int sval = atoi(var);
 
@@ -793,7 +793,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
 
 		if (switch_channel_test_flag(caller_channel, CF_PROXY_MODE) || switch_channel_test_flag(caller_channel, CF_PROXY_MEDIA)) {
 			ringback_data = NULL;
-		} else {
+		} else if (switch_strlen_zero(ringback_data)) {
 			const char *vvar;
 			
 			if ((vvar = switch_channel_get_variable(caller_channel, SWITCH_SEND_SILENCE_WHEN_IDLE_VARIABLE))) {