diff options
Diffstat (limited to 'pjsip')
| -rw-r--r-- | pjsip/src/pjsip-ua/sip_inv.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c index b377beb4..6b4d649f 100644 --- a/pjsip/src/pjsip-ua/sip_inv.c +++ b/pjsip/src/pjsip-ua/sip_inv.c @@ -455,17 +455,25 @@ static pj_bool_t mod_inv_on_rx_request(pjsip_rx_data *rdata) */ if (method->id == PJSIP_ACK_METHOD && inv) { + /* Ignore if we don't have INVITE in progress */ + if (!inv->invite_tsx) { + return PJ_TRUE; + } + /* Ignore ACK if pending INVITE transaction has not finished. */ - if (inv->invite_tsx && - inv->invite_tsx->state < PJSIP_TSX_STATE_COMPLETED) - { + if (inv->invite_tsx->state < PJSIP_TSX_STATE_COMPLETED) { + return PJ_TRUE; + } + + /* Ignore ACK with different CSeq + * https://trac.pjsip.org/repos/ticket/1391 + */ + if (rdata->msg_info.cseq->cseq != inv->invite_tsx->cseq) { return PJ_TRUE; } /* Terminate INVITE transaction, if it's still present. */ - if (inv->invite_tsx && - inv->invite_tsx->state <= PJSIP_TSX_STATE_COMPLETED) - { + if (inv->invite_tsx->state <= PJSIP_TSX_STATE_COMPLETED) { /* Before we terminate INVITE transaction, process the SDP * in the ACK request, if any. * Only do this when invite state is not already disconnected |