--- chan_sip.c.orig	2009-02-16 17:25:16.000000000 +0300
+++ chan_sip.c	2009-02-16 17:26:57.000000000 +0300
@@ -8619,6 +8619,7 @@
 
 	if (p->do_history)
 		append_history(p, "ReInv", "Re-invite sent");
+	try_suggested_sip_codec(p);
 	if (t38version)
 		add_t38_sdp(&req, p);
 	else
@@ -9005,6 +9006,7 @@
 			ast_debug(1, "T38 is in state %d on channel %s\n", p->t38.state, p->owner ? p->owner->name : "<none>");
 			add_t38_sdp(&req, p);
 		} else if (p->rtp) 
+			try_suggested_sip_codec(p);
 			add_sdp(&req, p, FALSE);
 	} else {
 		add_header_contentLength(&req, 0);