+ my $len_dcontext_prefix =
+ length($self->option_cacheable('skip_dcontext_prefix'));
+ return "dcontext starts with ". $self->option_cacheable('skip_dcontext_prefix')
+ if $len_dcontext_prefix
+ && substr($cdr->dcontext,0,$len_dcontext_prefix) eq $self->option_cacheable('skip_dcontext_prefix');
+
+ my $len_suffix = length($self->option_cacheable('skip_dcontext_suffix'));
+ return "dcontext ends with ". $self->option_cacheable('skip_dcontext_suffix')
+ if $len_suffix
+ && substr($cdr->dcontext,-$len_suffix,$len_suffix) eq $self->option_cacheable('skip_dcontext_suffix');
+