[Asterisk-code-review] res_pjsip_session: Don't aggressively terminate on failed re-INVITE. (asterisk[certified/16.8])

[Kevin Harwell]

Kevin Harwell has submitted this change. ( https://gerrit.asterisk.org/c/asterisk/+/14759 )

Change subject: res_pjsip_session: Don't aggressively terminate on failed re-INVITE.
......................................................................

res_pjsip_session: Don't aggressively terminate on failed re-INVITE.

Per the RFC when an outgoing re-INVITE is done we should
only terminate the dialog if a 481 or 408 is received.

ASTERISK-29033

Change-Id: I6c3ff513aa41005d02de0396ba820083e9b18503
---
M res/res_pjsip_session.c
1 file changed, 5 insertions(+), 2 deletions(-)

Approvals:
  George Joseph: Looks good to me, approved
  Kevin Harwell: Approved for Submit



diff --git a/res/res_pjsip_session.c b/res/res_pjsip_session.c
index f89416e..77b6615 100644
--- a/res/res_pjsip_session.c
+++ b/res/res_pjsip_session.c
@@ -3907,8 +3907,11 @@
 							ast_sip_session_send_request_with_cb(session, tdata, cb);
 							return;
 						}
-						if (tsx->status_code != 488 && tsx->status_code != 500) {
-							/* Other reinvite failures (except 488 and 500) result in destroying the session. */
+						/* Per RFC3261 14.1 a response to a re-INVITE should only terminate
+						 * the dialog if a 481 or 408 occurs. All other responses should leave
+						 * the dialog untouched.
+						 */
+						if (tsx->status_code == 481 || tsx->status_code == 408) {
 							if (pjsip_inv_end_session(inv, 500, NULL, &tdata) == PJ_SUCCESS
 								&& tdata) {
 								ast_sip_session_send_request(session, tdata);

-- 
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Gerrit-Project: asterisk
Gerrit-Branch: certified/16.8
Gerrit-Change-Id: I6c3ff513aa41005d02de0396ba820083e9b18503
Gerrit-Change-Number: 14759
Gerrit-PatchSet: 2
Gerrit-Owner: Joshua Colp <jcolp at sangoma.com>
Gerrit-Reviewer: Friendly Automation
Gerrit-Reviewer: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Kevin Harwell <kharwell at digium.com>
Gerrit-MessageType: merged
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