diff --git a/lib/NGCP/Panel/Controller/API/CallLists.pm b/lib/NGCP/Panel/Controller/API/CallLists.pm
index bb7df4d65f..4ec1122492 100644
--- a/lib/NGCP/Panel/Controller/API/CallLists.pm
+++ b/lib/NGCP/Panel/Controller/API/CallLists.pm
@@ -205,6 +205,23 @@ sub query_params {
                 second => sub {},
             },
         },
+        {
+            param => 'call_id',
+            description => 'Filter for a particular call_id and sort by call leg depth.',
+            query => {
+                first => sub {
+                    my $q = shift;
+                    {
+                        call_id => { like => $q.'%' },
+                    };
+                },
+                second => sub {
+                    {
+                        order_by => \"length(call_id) ASC, start_time ASC",
+                    };
+                },
+            },
+        },
     ];
 }
 
diff --git a/lib/NGCP/Panel/Role/API/CallLists.pm b/lib/NGCP/Panel/Role/API/CallLists.pm
index c1f9ae45ab..e19e1e6430 100644
--- a/lib/NGCP/Panel/Role/API/CallLists.pm
+++ b/lib/NGCP/Panel/Role/API/CallLists.pm
@@ -21,6 +21,7 @@ sub _item_rs {
     my ($self, $c) = @_;
 
     my $item_rs = $c->model('DB')->resultset('cdr');
+
     if($c->user->roles eq "admin") {
     } elsif($c->user->roles eq "reseller") {
         $item_rs = $item_rs->search({