ProCall Client installation directory followed by "templates".
ProCall Client installation directory followed by "templates\default".
If the required XSLT file is not found in the (first) directory, the search continues in the next directory.
The described procedure requires knowledge of configuration and administration and the corresponding authorizations.
Store files
Store your files, which should not be overwritten during the update/upgrade, in the %APPDATA% or ProCall Client installation directory (with "templates" at the end; without "default").
The "templates\default" directory in the ProCall Client installation directory is overwritten during an update/upgrade.