[SR-Users] modifying $fu / $fU (R-URI From)

[Sven Neuhaus]

Hello,

I'm having some troubles with modifying $fU in my kamailio.cfg.

The following line appears to have no effect:
    $fU = $(fU{s.substr,2,0});

I would expect it to remove the first two leading characters from $fU.
Has anyone else seen this? I have the same issue with modifying $fu.
We're not using the uac module. And we're using the latest stable
version of Kamailio.

Thanks,
-Sven

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