This seems to be what I need, but I can not define a separator
when it is a whitespace.
https://www.opensips.org/Documentation/Script-Tran-2-4#toc6
I tried:
$avp(clid){s.substr,1, }
$avp(clid){s.substr,1,\ }
$avp(clid){s.substr,1,\\ }
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BR, Alexey
http://alexeyka.zantsev.com/