Hi Mauro,
This is how it has always worked - by design. From the Help, for "Filtering", ...
Partial match
With fields that contain character data, you may enter only the first part of a value in the field, and only the number of characters entered will be matched. For instance, ROB will display ROB, ROBERT, ROBBIE, ROBERTO, and ROBERTA. Entering R will find everyone whose name starts with the letter R! You may disable the partial match feature by putting an underscore (_) after the value. For instance, ROB_ will locate only ROB, not ROBERT, ROBERTO, ROBERTA, etc.
CALL is a character field.
Peter VKIU
Peter VK4IU
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any errors and including your
Logic version.