if (rport && *(rport+6) == '=')
rport = NULL; /* We already have a parameter to rport */
- if (rport && ast_test_flag(&p->flags[0], SIP_NAT) == SIP_NAT_ALWAYS) {
+ /* Check rport if NAT=yes or NAT=rfc3581 (which is the default setting) */
+ if (rport && ((ast_test_flag(&p->flags[0], SIP_NAT) == SIP_NAT_ALWAYS) || (ast_test_flag(&p->flags[0], SIP_NAT) == SIP_NAT_RFC3581))) {
/* We need to add received port - rport */
char tmp[256], *end;
}
/* Add rport to first VIA header if requested */
- /* Whoo hoo! Now we can indicate port address translation too! Just
- another RFC (RFC3581). I'll leave the original comments in for
- posterity. */
snprintf(new, sizeof(new), "%s;received=%s;rport=%d",
tmp, ast_inet_ntoa(p->recv.sin_addr),
ntohs(p->recv.sin_port));
;
;nat=no ; Global NAT settings (Affects all peers and users)
; yes = Always ignore info and assume NAT
- ; no = Use NAT mode only according to RFC3581
+ ; no = Use NAT mode only according to RFC3581 (;rport)
; never = Never attempt NAT mode or RFC3581 support
; route = Assume NAT, don't send rport
; (work around more UNIDEN bugs)