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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.
This commit is contained in:
Bastian Triller 2023-08-28 09:16:43 +02:00
parent ddbc56505e
commit 0c0b99c5a1
1 changed files with 9 additions and 4 deletions
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13
res/res_pjsip_session.c
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@ -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);