diff --git a/bin/check.sh b/bin/check.sh
index 6f5be845..c5b65fd3 100755
--- a/bin/check.sh
+++ b/bin/check.sh
@@ -40,7 +40,7 @@ function check_test
 # $1 domain
 function create_voip
 {
-  ${BIN_DIR}/create_domain.pl $1
+  /usr/bin/ngcp-create_domain $1
   if [[ $? -ne 0 ]]; then
     echo "$(date) - Cannot create domain"
     exit 1
@@ -76,7 +76,7 @@ function create_voip_prefs
 # $1 domain
 function delete_voip
 {
-  ${BIN_DIR}/delete_domain.pl $1
+  /usr/bin/ngcp-delete_domain $1
 }
 
 function delete_locations
diff --git a/bin/create_domain.pl b/bin/create_domain.pl
deleted file mode 100755
index 7d8bdb52..00000000
--- a/bin/create_domain.pl
+++ /dev/null
@@ -1,62 +0,0 @@
-#!/usr/bin/perl
-use strict;
-use warnings;
-
-use Data::Dumper;
-use Getopt::Std;
-use Sipwise::Provisioning::Billing;
-
-our %CONFIG = (
-               admin    => 'administrator',
-               password => 'administrator',
-             );
-
-die usage() unless ($#ARGV == 0);
-
-sub main {
-    my ($bprov) = @_;
-    call_prov( $bprov, 'create_domain',
-               {
-                    domain => $ARGV[0]
-               }
-             );
-    exit;
-}
-
-sub call_prov {
-    #   scalar,    scalar,    hash-ref
-    my ($bprov, $function, $parameter) = @_;
-    my $result;
-
-    eval {
-        $result = $bprov->handle_request( $function,
-                                          {
-                                            authentication => {
-                                                                type     => 'admin',
-                                                                username => $CONFIG{admin},
-                                                                password => $CONFIG{password},
-                                                              },
-                                            parameters => $parameter,
-                                        });
-    };
-
-    if($@) {
-        if(ref $@ eq 'SOAP::Fault') {
-            die "Billing\::$function failed: ". $@->faultstring;
-        } else {
-            die "Billing\::$function failed: $@";
-        }
-    }
-
-    return $result;
-}
-
-sub usage {
-    die "Usage:\n$0 <domain>\n".
-        "\ne.g.: $0 sip.sipwise.com\n";
-}
-
-my $bprov = Sipwise::Provisioning::Billing->new();
-
-main($bprov);
-
diff --git a/bin/delete_domain.pl b/bin/delete_domain.pl
deleted file mode 100755
index a27a94c0..00000000
--- a/bin/delete_domain.pl
+++ /dev/null
@@ -1,97 +0,0 @@
-#!/usr/bin/perl
-use strict;
-use warnings;
-
-use Data::Dumper;
-use Getopt::Std;
-use Sipwise::Provisioning::Billing;
-
-our %CONFIG = (
-               admin    => 'administrator',
-               password => 'administrator',
-             );
-
-die usage() unless ($#ARGV == 0);
-
-sub main {
-    my ($bprov) = @_;
-
-    call_prov_exists( $bprov, 'get_domain',
-               {
-                    domain => $ARGV[0]
-               }
-             );
-    call_prov( $bprov, 'delete_domain',
-               {
-                    domain => $ARGV[0]
-               }
-             );
-    exit;
-}
-
-sub call_prov_exists {
-    #   scalar,    scalar,    hash-ref
-    my ($bprov, $function, $parameter) = @_;
-    my $result;
-
-    eval {
-        $result = $bprov->handle_request( $function,
-                                          {
-                                            authentication => {
-                                                                type     => 'admin',
-                                                                username => $CONFIG{admin},
-                                                                password => $CONFIG{password},
-                                                              },
-                                            parameters => $parameter,
-                                        });
-    };
-
-    if($@) {
-        if(ref $@ eq 'SOAP::Fault') {
-            exit 0 if($@->faultstring =~ 'unknown domain');
-            die "Billing\::$function failed: ". $@->faultstring;
-        } else {
-            die "Billing\::$function failed: $@";
-        }
-    }
-
-    return $result;
-}
-
-sub call_prov {
-    #   scalar,    scalar,    hash-ref
-    my ($bprov, $function, $parameter) = @_;
-    my $result;
-
-    eval {
-        $result = $bprov->handle_request( $function,
-                                          {
-                                            authentication => {
-                                                                type     => 'admin',
-                                                                username => $CONFIG{admin},
-                                                                password => $CONFIG{password},
-                                                              },
-                                            parameters => $parameter,
-                                        });
-    };
-
-    if($@) {
-        if(ref $@ eq 'SOAP::Fault') {
-            die "Billing\::$function failed: ". $@->faultstring;
-        } else {
-            die "Billing\::$function failed: $@";
-        }
-    }
-
-    return $result;
-}
-
-sub usage {
-    die "Usage:\n$0 <domain>\n".
-        "\ne.g.: $0 sip.sipwise.com\n";
-}
-
-my $bprov = Sipwise::Provisioning::Billing->new();
-
-main($bprov);
-
diff --git a/debian/control b/debian/control
index 5e28f2b9..0d2b4d3f 100644
--- a/debian/control
+++ b/debian/control
@@ -9,6 +9,7 @@ Homepage: http://www.sipwise.com/
 Package: kamailio-config-tests
 Architecture: all
 Depends: ${misc:Depends},
+ ngcp-ossbss-clients-perl,
  python-yaml,
  libgraphviz-perl,
  libtemplate-perl,