[SR-Users] rtjson + mhomed and record route (corrected)
Diego Nadares
dnadares at gmail.com
Fri Dec 23 14:18:46 CET 2016
I don't know if it's the right way but with modparam("rr",
"enable_double_rr", 1) adds both rr and topoh shows the correct one.
U 2016/12/23 09:58:23.818391 xxx.xxx.xxx.01:5060 -> xxx.xxx.xxx.02:5060
INVITE sip:11111111111 at xxx.xxx.xxx.02 SIP/2.0.
Via: SIP/2.0/UDP xxx.xxx.xxx.01:5060;branch=z9hG4bK637b1bca.
Max-Forwards: 70.
U 2016/12/23 09:58:24.031593 172.16.213.38:5060 -> 172.16.208.11:5060
INVITE sip:1153526112 at 172.16.208.11:5060;user=phone SIP/2.0.
---> Record-Route:
<sip:172.16.213.38;r2=on;lr;ftag=as74a2be20;did=828.389>.<---
Record-Route: <sip:127.0.0.8;line=sr-N6IAzBFsMGZLM>.
So, it;s working now!
Cheers,
Diego
2016-12-22 12:20 GMT-03:00 Diego Nadares <dnadares at gmail.com>:
> Hi list,
>
> We have two eth, one with a private ip and the other with a public ip. We
> have MHOMED configured. The call comes from private network and then is
> routed to a public network via rtjson routing. The call is routed but the
> thing is that the record route is being set with the private one (It's the
> same when calls come from public and is routed to a private network, record
> route has the public and not the private).
>
> With mhomed configured shouldn't Record Route be updated as VIA header?
>
> ".... When activated, sip-router will select a socket that can reach the
> destination (to be able to connect to the remote address). (sip-router
> opens a UDP socket to the destination, then it retrieves the local IP which
> was assigned by the operating system to the new UDP socket. Then this
> socket will be closed and the retrieved IP address will be used as IP
> address in the Via/Record-Route headers)..."
>
> This is part of ngrep
>
> U 2016/12/22 11:24:15.019643 172.16.213.21:5060 -> 172.16.213.38:5060
> INVITE sip:11111111111 at 172.16.213.38:5060 SIP/2.0.
> Via: SIP/2.0/UDP 172.16.213.21:5060;branch=z9hG4bK-13024-1-0.
> From: "Test" <sip:2222222222 at 172.16.213.21:5060;user=phone>;tag=1.
> To: <sip:1111111111 at 172.16.213.38:5060>.
> Call-ID: 1-13024 at 172.16.213.21.
> CSeq: 1 INVITE.
> Contact: "2222222222 <sip:2222222222 at 172.16.213.21:5060>.
> ....
>
> U 2016/12/22 11:24:15.023923 172.16.213.38:5060 -> 172.16.213.21:5060
> SIP/2.0 100 trying -- your call is important to us.
> Via: SIP/2.0/UDP 172.16.213.21:5060;branch=z9hG4bK-13024-1-0.
> ....
>
> U 2016/12/22 11:24:15.038695 XXX.XXX.XXX.01:5060 -> XXX.XXX.XXX.02:5060
> INVITE sip:1111111111 <011%201111-1111>@XXX.XXX.XXX.02:5060 SIP/2.0.
> *-----> Record-Route: <sip:172.16.213.38;lr;ftag=1;did=1111>. <----*
> Via: SIP/2.0/UDP XXX.XXX.XXX.01;branch=z9hG4bKc09f
> Via: SIP/2.0/UDP 127.0.0.8;branch=z9hG4bKsr-j4IPOlV7MGQKatycM.NLOBF6
>
> This is my cfg
>
> mhomed=1
>
> request_route {
>
>
> # per request initial checks
> route(REQINIT);
>
> # NAT detection
> #route(NATDETECT);
>
> # CANCEL processing
> if (is_method("CANCEL")) {
> if (t_check_trans()) {
> route(RELAY);
> }
> exit;
> }
>
> # handle requests within SIP dialogs
> route(WITHINDLG);
>
> ### only initial requests (no To tag)
>
> # handle retransmissions
> if(t_precheck_trans()) {
> t_check_trans();
> exit;
> }
> t_check_trans();
>
> # authentication
> route(AUTH);
>
> # record routing for dialog forming requests (in case they are
> routed)
> # - remove preloaded route headers
> remove_hf("Route");
> if (is_method("INVITE|SUBSCRIBE")) {
> record_route();
> }
> ....
>
> Thanks in advance.
>
> Diego
>
> 2016-12-22 12:08 GMT-03:00 Diego Nadares <dnadares at gmail.com>:
>
>> Hi list,
>>
>> We have two eth, one with a private ip and the other with a public ip.
>> We have MHOMED configured. The call comes from private network and then is
>> routed to a public network via rtjson routing. The is routed but the thing
>> is that the record route is being set with the private one (It's the same
>> when calls come from public and is routed to a private network, record
>> route has the public and not the private).
>>
>> With mhomed configured shouldn't Record Route be updated as VIA header
>>
>> ".... When activated, sip-router will select a socket that can reach the
>> destination (to be able to connect to the remote address). (sip-router
>> opens a UDP socket to the destination, then it retrieves the local IP which
>> was assigned by the operating system to the new UDP socket. Then this
>> socket will be closed and the retrieved IP address will be used as IP
>> address in the Via/Record-Route headers)..."
>>
>> This is part of ngrep
>>
>> U 2016/12/22 11:24:15.019643 172.16.213.21:5060 -> 172.16.213.38:5060
>> INVITE sip:11111111111 at 172.16.213.38:5060 SIP/2.0.
>> Via: SIP/2.0/UDP 172.16.213.21:5060;branch=z9hG4bK-13024-1-0.
>> From: "Test" <sip:2222222222 at 172.16.213.21:5060;user=phone>;tag=1.
>> To: <sip:1111111111 at 172.16.213.38:5060>.
>> Call-ID: 1-13024 at 172.16.213.21.
>> CSeq: 1 INVITE.
>> Contact: "2222222222 <sip:2222222222 at 172.16.213.21:5060>.
>> ....
>>
>> U 2016/12/22 11:24:15.023923 172.16.213.38:5060 -> 172.16.213.21:5060
>> SIP/2.0 100 trying -- your call is important to us.
>> Via: SIP/2.0/UDP 172.16.213.21:5060;branch=z9hG4bK-13024-1-0.
>> ....
>>
>> U 2016/12/22 11:24:15.038695 XXX.XXX.XXX.01:5060 -> XXX.XXX.XXX.02:5060
>> INVITE sip:1111111111 <011%201111-1111>@XXX.XXX.XXX.02:5060 SIP/2.0.
>> *-----> Record-Route: <sip:172.16.213.38;lr;ftag=1;did=1111>. <----*
>> Via: SIP/2.0/UDP XXX.XXX.XXX.01;branch=z9hG4bKc09f
>> Via: SIP/2.0/UDP 127.0.0.8;branch=z9hG4bKsr-j4IPOlV7MGQKatycM.NLOBF6
>>
>> This is my cfg
>>
>> mhomed=1
>>
>> request_route {
>>
>>
>> # per request initial checks
>> route(REQINIT);
>>
>> # NAT detection
>> #route(NATDETECT);
>>
>> # CANCEL processing
>> if (is_method("CANCEL")) {
>> if (t_check_trans()) {
>> route(RELAY);
>> }
>> exit;
>> }
>>
>> # handle requests within SIP dialogs
>> route(WITHINDLG);
>>
>> ### only initial requests (no To tag)
>>
>> # handle retransmissions
>> if(t_precheck_trans()) {
>> t_check_trans();
>> exit;
>> }
>> t_check_trans();
>>
>> # authentication
>> route(AUTH);
>>
>> # record routing for dialog forming requests (in case they are
>> routed)
>> # - remove preloaded route headers
>> remove_hf("Route");
>> if (is_method("INVITE|SUBSCRIBE")) {
>> record_route();
>> }
>>
>>
>> Thanks in advance.
>>
>> Diego.
>>
>>
>
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