[OpenSIPS-Users] Have one registration contact per device in usrloc

[Bogdan-Andrei Iancu]

Hi Jayesh,

Maybe you should look into GRUU stuff ;).

On the TCP error - even if you set the TCP persistence flag, the UAC may 
close the TCP conn -> you end up in the same situation. What you can do 
is to prevent OpenSIPS to open TCP conns when routing to end-users - the 
idea is to have end-users connecting to OpenSIPS and not the other way 
around. See "tcp_no_new_conn_bflag" :
http://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc96

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 08.10.2014 17:31, Jayesh Nambiar wrote:
> Hi Bogdan,
> So I thought of doing this and I have another problem. Say if a device 
> registered from IP 1.2.3.4, and then moved out to different network 
> and re-registered from IP 4.3.2.1, there is a stale registration lying 
> in opensips for the same device from 1.2.3.4.
> Now when I use TCP as transport, opensips waits till connect timed out 
> on unreachable IPs before sending the call to registered contact and 
> the following messages are logged in syslog:
> ERROR:core:tcp_blocking_connect: timeout 10 s elapsed from 10 s
>  ERROR:core:tcpconn_connect: tcp_blocking_connect failed
>  ERROR:core:tcp_send: connect failed
>  ERROR:tm:msg_send: tcp_send failed
>
> Looks like opensips tries to do a TCP connect first with all 
> registered contacts before actually routing the call.
> I do,
> modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
>
> if(is_method("REGISTER")) {
> setflag(TCP_PERSISTENT);
>         setbflag(30);
>         if(!save("location", "fc1")) {
>                 t_reply("500", "Error while saving AOR");
>         }
> }
>
> --- Jayesh
>
>
>
>
>
>
> On Wed, Oct 8, 2014 at 3:10 PM, Bogdan-Andrei Iancu 
> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>
>     Hi Jayesh,
>
>     Basically you do not what to have more registrations from the same
>     IP, right ?
>
>     Exactly the opposit of the is_other_contact() function :
>     http://www.opensips.org/html/docs/modules/1.11.x/registrar.html#id294660
>
>     Regards,
>
>     Bogdan-Andrei Iancu
>     OpenSIPS Founder and Developer
>     http://www.opensips-solutions.com
>
>     On 01.10.2014 18:15, Jayesh Nambiar wrote:
>>     Hi,
>>     I am trying to solve a problem of having one registration per AOR
>>     per device. So user 1234 can register from device A, device B and
>>     device C. But the user 1234 should not have multiple contacts
>>     from device A alone.
>>     At times when the device loses network, proxy doesn't receive
>>     de-register and the contact stays in opensips till its expiry
>>     time. So the same device is thus capable of creating multiple
>>     contacts. I could solve this by using "fc1" flag while doing a
>>     save("location") but I need multiple registrations to be allowed
>>     from different devices !!
>>     So is there a way where while doing a save("location"), I set
>>     some sort of device id along with it such that I identify and
>>     overwrite the existing contact only if the registration comes
>>     from same device-id or else add it up for parallel forking.
>>     Do let me know if I make sense here and there's a solution to
>>     this. Thanks for any suggestions and directions.
>>
>>     Thanks,
>>
>>     --- Jayesh
>>
>>
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>
>

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