Hello,
I have done some more detailed testing today and am still seeing the
problem. I am using Kamailio 3.1.3.
I added the following to the beginning of my route{ } section:
if (nat_uac_test(flags))
xlog("NAT'd\n");
I then tested the following scenarios using X-Lite 4:
* Flags = 1, TCP: NAT detected, UDP: NAT not detected
* Flags = 2, TCP: NAT detected, UDP: NAT not detected
* Flags = 4, TCP: NAT detected, UDP: NAT not detected
* Flags = 8, TCP: NAT not detected, UDP: NAT not detected
* Flags = 16, TCP: NAT detected, UDP: NAT not detected
* Flags = 32, TCP: NAT not detected, UDP: NAT not detected
The REGISTERs (for TCP and UDP) sent by X-Lite were (with domain and
user name obscured here):
REGISTER sip:example.com SIP/2.0
Via: SIP/2.0/TCP
192.168.0.187:15854;branch=z9hG4bK-d8754z-1c8ee3e957b12a9b-1---d8754z-;rport
Max-Forwards: 70
Contact:
<sip:[email protected]:15854;rinstance=80c5894ae6e2ce6f;transport=TCP>
To: "User"<sip:[email protected]>
From: "User"<sip:[email protected]>;tag=da2c294e
Call-ID: NjA3YjNiNDdjZTgwNWVkYzZlOGRkZTU0NTkxNDlkZWQ.
CSeq: 1 REGISTER
Expires: 25
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY,
MESSAGE, SUBSCRIBE, INFO
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 0
REGISTER sip:example.com SIP/2.0
Via: SIP/2.0/UDP
192.168.0.187:53264;branch=z9hG4bK-d8754z-a959b8f7e5f1e349-1---d8754z-;rport
Max-Forwards: 70
Contact:
<sip:[email protected]:53264;rinstance=d601b2ea0398567c;transport=udp>
To: "Peter Dunkley"<sip:[email protected]>
From: "Peter Dunkley"<sip:[email protected]>;tag=753afc8a
Call-ID: NjBmZmFhNjEzNTFkZGZlMWQwNzdlZjlkYTE1OTc4ZGU.
CSeq: 1 REGISTER
Expires: 25
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY,
MESSAGE, SUBSCRIBE, INFO
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 0
Regards,
Peter
On Mon, 2011-04-11 at 10:32 +0100, Peter Dunkley wrote:
> I tried 63 (all), 55 (all but SDP), and 19 (from the sample
> configuration file).
>
> I will try it again today.
>
> Peter
>
> On Sat, 2011-04-09 at 08:10 +0300, Juha Heinanen wrote:
>
> > Peter Dunkley writes:
> >
> > > nat_uac_test() doesn't seem to work for requests that arrive over UDP.
> >
> > i don't know which param you tried, but nat_uac_test("2") and
> > nat_uac_test("1") works for me.
> >
> > -- juha
> >
--
Peter Dunkley
Technical Director
Crocodile RCS Ltd
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