On Sun, May 26, 2019 at 8:59 PM Alex Balashov <[email protected]> wrote:
> Make sure you have the right reversion/cookie options set,

I'm not sure what that means...

> and that you only call uac_replace_from() once in the message processing loop,

There is only one call in the code to `uac_replace_from()` which is
run once (and only for INVITE messages).

> and that you don’t modify From any other way besides that concurrently.

Aha! and that was apparently the problem. I have another place in the
code (probably from an earlier work trying to do the same thing) that
had:

$fU = $hdr(custom-caller-id-header)

Removing that solved the problem. I'm guessing its the same issue that
I had with the `remove_hf()` method, that removed `From` but somehow
somewhere got the value that was meant to replace $fU written into an
arbitrary location in the headers buffer.

Thanks for the support!

> > On May 26, 2019, at 1:52 PM, Oded Arbel <[email protected]> wrote:
> >
> > I have just tried to use `uac_replace_from()` (which I wasn't familiar
> > with - we haven't used the uac module in our setup up till now, and
> > from its description I didn't think it would be appropriate as we are
> > not initiating sessions from Kamailio).
> >
> > We the following code in place, instead of the `remove_hf()` and 
> > `append_hf()`:
> >
> > ---8<---
> > uac_replace_from("sip:$var(from_user)@$var(from_domain)");
> > ---8<---
> >
> > The headers are no longer broken, but do not look OK - I still have
> > another copy of the $fU stuck somewhere in the middle. The `From`
> > header no looks as thus:
> >
> > ---8<---
> > From: <sip:[email protected]>;tag=as0c32fd2e
> > ---8<---


-- 
Oded Arbel

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