Hi,
i encountered a problem regarding SIP MESSAGE.
When using pjsua, if the server responds with 401 authorization required or 407 proxy authorization required, the CSEQ should be incremented has described in the SIP RFC 3261, page 145. Chapters 22.2 and 22.3.
Just in case anyone else needs this, here is my solution...
file: pjsua_im.c
line: 379
if (status == PJ_SUCCESS) {
pjsua_im_data *im_data2;
// My code
/* Increment CSeq */
pjsip_cseq_hdr *cseq_hdr = PJSIP_MSG_CSEQ_HDR(tsx->last_tx);
pj_uint32_t cseq = ++cseq_hdr->cseq;
cseq_hdr = PJSIP_MSG_CSEQ_HDR(tdata->msg);
cseq_hdr->cseq = cseq;
//**** My code
Rafael Maia
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