Branches are a creature of transactions. It follows that “branch flags” are transaction-persistent flags at the branch level, rather than scoped to the transaction as a whole. 

ACKs constitute a separate transaction.

—

Sent from mobile, with due apologies for brevity and errors.

On May 24, 2019, at 2:45 PM, Sergiu Pojoga <pojogas@gmail.com> wrote:

Then.. I don't know, lol

But the fact that ACKs belong or not to even different transactions (depending on whether positive or negative reply) must be playing a role here.

Good luck. 

On Fri, May 24, 2019, 12:11 PM Володимир Іванець, <volodyaivanets@gmail.com> wrote:

Hello Sergiu,

We allow multiple contacts to register on single account. They can have different properties.  On step 1 I'm looking for something specific which can be different for different contacts. If I understood correctly setbflag and isbflagset can set and check flags for different branches independently.

Thank you!

пт, 24 трав. 2019 о 18:14 Sergiu Pojoga <pojogas@gmail.com> пише:

I might be wrong, but isn't ACK part of a transaction? If so, you'd need to use setflag/isflagset

Cheers.

On Fri, May 24, 2019 at 10:03 AM Володимир Іванець <volodyaivanets@gmail.com> wrote:

Hello everyone!

I'm not sure if I correctly understood the description of functions isbflagset and isbflagset so once again I'm asking for help :)

Here is what I do:

1. Asterisk sends INVITE to Kamailio. Kamailio performs lookup of available contacts and then few checks in branch_route. I'm adding setbflag("17", $T_branch_idx); there.

2. Later in route[NATMANAGE] I added if (isbflagset("17", $T_branch_idx)) { and additional logic. isbflagset results in true (for same INVITE).

3. Finally one of UACs responds with 200 OK. Asterisk generates ACK packet that gets in route[NATMANAGE]. isbflagset results in false.

So my question is: shouldn't isbflagset be true for ACK too since it's the same branch or I interpreted these fenctions incorrectly?

Thanks a lot!

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