[OpenSIPS-Users] OpenSIPs generate PRACK

Social Boh social at bohboh.info
Mon Feb 12 12:12:02 UTC 2024


Hello,

the flow chart is this:

-> INVITE (to OpensiSIP)

Relay to Redirect Server

Redirect server reply with a 302 and a contact that OpenSIPs use to create

INVITE (OpenSIPs) ->

<- 183 (provider) with  Require: 100rel

PRACK (from OpenSIPs)

I don't know how create this PRACK

I have:

modparam("b2b_entities", "passthru_prack", 0)

but this is not enough and I have to use (I think)

b2b_init_request("top hiding");

but this function works only on Request Route and I catch the 302 in the 
failure route.

Thank you

Regards

---
I'm SoCIaL, MayBe

El 12/02/2024 a las 4:36 a. m., Ihor Olkhovskyi escribió:
> You should relay 183 to original source (ione that is sending INVITE) 
> and got PRACK from there.
> That would be the most correct way of handling this
>
> Le lun. 12 févr. 2024 à 02:29, Social Boh <social at bohboh.info> a écrit :
>
>     Maybe someone can help me.
>
>     This is the scenario.
>
>     OpenSIPs receive a INVITE and send it to a server that reply with
>     a 302
>     message (always)
>
>     Then OpenSIPs, in the failure route, take the user part present in
>     the
>     302 contact header, change the destination IP and send with t_relay
>
>     The destination reply with a 183 with Require: 100rel header so
>     OpenSIPs
>     have to reply with a PRACK. This is my problem.
>
>     I don't know which is the best way to handle this (the PRACK)
>
>     Thank you
>
>     Regards
>
>     ---
>     I'm SoCIaL, MayBe
>
>     El 9/02/2024 a las 6:46 a. m., Social Boh escribió:
>     > Hello list,
>     >
>     > can OpenSIPs generate a PRACK message to reply a 180/183 message?
>     >
>     > Thank you
>     >
>     > Regards
>     >
>     > ---
>     > I'm SoCIaL, MayBe
>     >
>     >
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>
> -- 
> Best regards,
> Ihor (Igor)
>
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