Proper using on field validation + small bug

If you want control length.
Working example
[mask mask-45 minlength:13 maxlength:13 “+____________”]

BUT!
It won’t be working without small correction in plugin file cf7-phone-mask-field.php
String #26
add_filter( ‘wpcf7_validate_mask*’, ‘wpcf7mf_mask_validation_filter’, 10, 2 );
replace with
add_filter( ‘wpcf7_validate_mask’, ‘wpcf7mf_mask_validation_filter’, 10, 2 );
You can then add another custom validation in function “wpcf7mf_mask_validation_filter”