Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 114602)
+++ channels/chan_sip.c	(working copy)
@@ -3804,6 +3804,13 @@
 		ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, p->owner);
 	else {
 		p->owner = newchan;
+		/* Re-invite RTP back to Asterisk. Needed if channel is masqueraded out of a native
+		   RTP bridge (i.e., RTP not going through Asterisk): RTP bridge code might not be
+		   able to do this if the masquerade happens before the bridge breaks (e.g., AMI
+		   redirect of both channels). Note that a channel can not be masqueraded *into*
+		   a native bridge. So there is no danger that this breaks a native bridge that
+		   should stay up. */
+		sip_set_rtp_peer(newchan, NULL, NULL, 0, 0);
 		ret = 0;
 	}
 	if (option_debug > 2)