Re: [EXT] Possible bug introduced in 5.8.5

Andreas,

Is there a way you can somehow share your config to try to reproduce
(cleaned, of course)?

Thing is I cannot replicate this behavoir unless double using
uac_replace_xxx functions or mixing em with $fd/$fU vars,

Le jeu. 5 févr. 2026 à 10:37, Andreas Heil via sr-users <
[email protected]> a écrit :

> I tested that:
> I put a „xlog“ before every use of uac_replace_to and every
> uac_replace_from.
> Both got called only once per call.
>
> I rechecked and summarized the problem:
> 5.6.6
>     INVITE w/ brackets + uac_replace_to
>         kamailio inserts a space between "To:" and "<sip..." (e.g.
> "To:[SPACE][SPACE]<sip...")
>         no problem here
>     INVITE w/o brackets + uac_replace_to
>         kamailio inserts a space between "To:" and "<sip..."
>         no problem here
>     INVITE w/ brackets + remove_hf/append_hf
>         kamailio inserts a space between "To:" and "<sip..."
>         no problem here
>     INVITE w/o brackets + remove_hf/append_hf
>         kamailio inserts a space before "From:" (e.g.
> "[SPACE]From:[SPACE][SPACE]<sip...")
>         The "To:" header looks good
> 5.8.4
>     INVITE w/ brackets + uac_replace_to
>         kamailio inserts a space between "To:" and "<sip..." (e.g.
> "To:[SPACE][SPACE]<sip...")
>         no problem here
>     INVITE w/o brackets + uac_replace_to
>         kamailio inserts a space between "To:" and "<sip..."
>         no problem here
>     INVITE w/ brackets + remove_hf/append_hf
>         kamailio inserts a space between "To:" and "<sip..."
>         no problem here
>     INVITE w/o brackets + remove_hf/append_hf
>         kamailio inserts a space before "From:" (e.g.
> "[SPACE]From:[SPACE][SPACE]<sip...")
>         The "To:" header looks good
> 5.8.5
>     INVITE w/ brackets + uac_replace_to
>         kamailio inserts a space between "To:" and "<sip..." (e.g.
> "To:[SPACE][SPACE]<sip...")
>         no problem here
>     INVITE w/o brackets + uac_replace_to
>         kamailio inserts a space between "To:" and "<sip..."
>         it also appends the new value after the old (e.g.
> "To:[SPACE][SPACE]<OLDVALUE>NEWVALUE"
>     INVITE w/ brackets + remove_hf/append_hf
>         kamailio inserts a space before "From:" (e.g.
> "[SPACE]From:[SPACE][SPACE]<sip...")
>         The "To:" header looks good
>     INVITE w/o brackets + remove_hf/append_hf
>         kamailio inserts a space and the old value of "To" before the
> "From" (e.g. "[SPACE]<sipOldToHeader>From:[SPACE][SPACE]<sip...>")
>         The "To:" header looks good
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-- 
Best regards,
Ihor (Igor)

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