diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 2707f0ca07cbfe28c62ed0aaa0b47a23bda8dbd9..010a4085de0daf202eef2e3d5968674e569fa24b 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -16894,7 +16894,9 @@ static enum ast_rtp_get_result sip_get_rtp_peer(struct ast_channel *chan, struct
 
 	*rtp = p->rtp;
 
-	if (ast_test_flag(&p->flags[0], SIP_CAN_REINVITE))
+	if (ast_rtp_getnat(*rtp) && !ast_test_flag(&p->flags[0], SIP_CAN_REINVITE_NAT))
+		res = AST_RTP_TRY_PARTIAL;
+	else if (ast_test_flag(&p->flags[0], SIP_CAN_REINVITE))
 		res = AST_RTP_TRY_NATIVE;
 	else if (ast_test_flag(&global_jbconf, AST_JB_FORCED))
 		res = AST_RTP_GET_FAILED;
diff --git a/include/asterisk/rtp.h b/include/asterisk/rtp.h
index 2edff8cadbcdc8437659ce8d7121cfd005c152aa..85f3b19030c709873b6fb6ee12467b66cddae677 100644
--- a/include/asterisk/rtp.h
+++ b/include/asterisk/rtp.h
@@ -186,6 +186,8 @@ char *ast_rtp_lookup_mime_multiple(char *buf, size_t size, const int capability,
 
 void ast_rtp_setnat(struct ast_rtp *rtp, int nat);
 
+int ast_rtp_getnat(struct ast_rtp *rtp);
+
 /*! \brief Indicate whether this RTP session is carrying DTMF or not */
 void ast_rtp_setdtmf(struct ast_rtp *rtp, int dtmf);
 
diff --git a/main/rtp.c b/main/rtp.c
index b4c37087d9d90a6f9210ed9756067c358c01a755..e80cb3ead7a7f4f21f3e03a48d40e2c7234537fa 100644
--- a/main/rtp.c
+++ b/main/rtp.c
@@ -591,6 +591,11 @@ void ast_rtp_setnat(struct ast_rtp *rtp, int nat)
 	rtp->nat = nat;
 }
 
+int ast_rtp_getnat(struct ast_rtp *rtp)
+{
+	return ast_test_flag(rtp, FLAG_NAT_ACTIVE);
+}
+
 void ast_rtp_setdtmf(struct ast_rtp *rtp, int dtmf)
 {
 	ast_set2_flag(rtp, dtmf ? 1 : 0, FLAG_HAS_DTMF);