From 9284dca63611605eae9e4d15609253a888ecfb48 Mon Sep 17 00:00:00 2001 From: Bastian Triller Date: Mon, 28 Aug 2023 09:16:43 +0200 Subject: [PATCH] res_pjsip_session: Send Session Interval too small response Handle session interval lower than endpoint's configured minimum timer when sending first answer. Timer setting is checked during this step and needs to handled appropriately. Before this change, no response was sent at all. After this change a response with 422 Session Interval too small is sent to UAC. --- res/res_pjsip_session.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/res/res_pjsip_session.c b/res/res_pjsip_session.c index de51b680f9..b5a8b3f54c 100644 --- a/res/res_pjsip_session.c +++ b/res/res_pjsip_session.c @@ -4053,15 +4053,20 @@ static int new_invite(struct new_invite *invite) * so let's go ahead and send a 100 Trying out to stop any * retransmissions. */ + if (pjsip_inv_initial_answer(invite->session->inv_session, invite->rdata, 100, NULL, NULL, &tdata) != PJ_SUCCESS) { + if (tdata) { + pjsip_inv_send_msg(invite->session->inv_session, tdata); + } else { + pjsip_inv_terminate(invite->session->inv_session, 500, PJ_TRUE); + } + goto end; + } + ast_trace(-1, "%s: Call (%s:%s) to extension '%s' sending 100 Trying\n", ast_sip_session_get_name(invite->session), invite->rdata->tp_info.transport->type_name, pj_sockaddr_print(&invite->rdata->pkt_info.src_addr, buffer, sizeof(buffer), 3), invite->session->exten); - if (pjsip_inv_initial_answer(invite->session->inv_session, invite->rdata, 100, NULL, NULL, &tdata) != PJ_SUCCESS) { - pjsip_inv_terminate(invite->session->inv_session, 500, PJ_TRUE); - goto end; - } ast_sip_session_send_response(invite->session, tdata); sdp_info = pjsip_rdata_get_sdp_info(invite->rdata);