/*! \brief Returns null if we can't reinvite audio (part of RTP interface) */
static enum ast_rtp_get_result sip_get_rtp_peer(struct ast_channel *chan, struct ast_rtp **rtp)
{
        struct sip_pvt *p = NULL;
        enum ast_rtp_get_result res = AST_RTP_TRY_PARTIAL;

        if (!(p = chan->tech_pvt)) {
                ast_log(LOG_NOTICE, "HIT: !(p = chan->tech_pvt)");
                return AST_RTP_GET_FAILED;
        }

        /* PATCH TEST FROM Asterisk Admin FILE - BUG ID 0010647 */

        /* Disable early RTP bridge */
        if (chan->_state != AST_STATE_UP && !global_directrtpsetup) {
                ast_log(LOG_NOTICE, "HIT: chan->_state != AST_STATE_UP && !global_directrtpsetup");
                return AST_RTP_GET_FAILED;
        }

        /* END New Patch Test */


        ast_mutex_lock(&p->lock);
        if (!(p->rtp)) {
                ast_log(LOG_NOTICE, "HIT: !(p->rtp)");
                ast_mutex_unlock(&p->lock);
                return AST_RTP_GET_FAILED;
        }

        *rtp = p->rtp;

        if (ast_rtp_getnat(*rtp) && !ast_test_flag(&p->flags[0], SIP_CAN_REINVITE_NAT)) {
                ast_log(LOG_NOTICE, "HIT: ast_rtp_getnat(*rtp) && !ast_test_flag(&p->flags[0], SIP_CAN_REINVITE_NAT)");
                res = AST_RTP_TRY_PARTIAL;
        }
        else if (ast_test_flag(&p->flags[0], SIP_CAN_REINVITE)) {
                ast_log(LOG_NOTICE, "HIT: ast_test_flag(&p->flags[0], SIP_CAN_REINVITE");
                res = AST_RTP_TRY_NATIVE;
        }
        else if (ast_test_flag(&global_jbconf, AST_JB_FORCED)) {
                ast_log(LOG_NOTICE, "HIT: (ast_test_flag(&global_jbconf, AST_JB_FORCED)");
                res = AST_RTP_GET_FAILED;
        }

        ast_mutex_unlock(&p->lock);

        return res;
}