misplaced !

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -3034,7 +3034,7 @@ switch_status_t sofia_glue_activate_rtp(private_object_t *tech_pvt, switch_rtp_f
 	}
 
 	if (!(sofia_test_pflag(tech_pvt->profile, PFLAG_REWRITE_TIMESTAMPS) ||
-		  ((val = switch_channel_get_variable(tech_pvt->channel, "rtp_rewrite_timestamps")) && !switch_true(val)))) {
+		  ((val = switch_channel_get_variable(tech_pvt->channel, "rtp_rewrite_timestamps")) && switch_true(val)))) {
 		flags |= SWITCH_RTP_FLAG_RAW_WRITE;
 	}