diff --git a/Build.PL b/Build.PL
index 3833fae30c..6e98dfc5db 100644
--- a/Build.PL
+++ b/Build.PL
@@ -60,6 +60,7 @@ my $builder = Local::Module::Build->new(
         'Template' => 0,
         'Text::CSV_XS' => 0,
         'URI::Encode' => 0,
+        'URI::Escape' => 0,
         'UUID' => 0,
         'XML::Mini' => 0,
         'warnings' => 0,
diff --git a/lib/NGCP/Panel/Controller/Subscriber.pm b/lib/NGCP/Panel/Controller/Subscriber.pm
index 72130d3e4a..81e54528e0 100644
--- a/lib/NGCP/Panel/Controller/Subscriber.pm
+++ b/lib/NGCP/Panel/Controller/Subscriber.pm
@@ -2,6 +2,7 @@ package NGCP::Panel::Controller::Subscriber;
 use Sipwise::Base;
 BEGIN { extends 'Catalyst::Controller'; }
 use HTML::Entities;
+use URI::Escape qw(uri_unescape);
 use NGCP::Panel::Utils::Navigation;
 use NGCP::Panel::Utils::Contract;
 use NGCP::Panel::Utils::Subscriber;
@@ -1918,7 +1919,15 @@ sub ajax_calls :Chained('master') :PathPart('calls/ajax') :Args(0) {
         destination_user_id => $c->stash->{subscriber}->uuid,
     });
     my $rs = $out_rs->union($in_rs);
-    NGCP::Panel::Utils::Datatables::process($c, $rs, $c->stash->{calls_dt_columns});
+    NGCP::Panel::Utils::Datatables::process(
+        $c, $rs, $c->stash->{calls_dt_columns},
+        sub {
+            my ($result) = @_;
+            my %data = (source_user => uri_unescape($result->source_user),
+                destination_user => uri_unescape($result->destination_user));
+            return %data
+        },
+    );
 
     $c->detach( $c->view("JSON") );
 }
diff --git a/lib/NGCP/Panel/View/HTML.pm b/lib/NGCP/Panel/View/HTML.pm
index 12e888fbd2..2eca35ec76 100644
--- a/lib/NGCP/Panel/View/HTML.pm
+++ b/lib/NGCP/Panel/View/HTML.pm
@@ -1,13 +1,20 @@
 package NGCP::Panel::View::HTML;
 use Sipwise::Base;
 
+use URI::Escape qw/uri_unescape/;
+
 extends 'Catalyst::View::TT';
 
 __PACKAGE__->config(
     TEMPLATE_EXTENSION => '.tt',
     render_die => 1,
     ENCODING => 'UTF-8',
-    WRAPPER => 'wrapper.tt'
+    WRAPPER => 'wrapper.tt',
+    FILTERS => {
+        uri_unescape => sub {
+            URI::Escape::uri_unescape(@_);
+        },
+    },
 );
 
 =head1 NAME