diff --git a/bin/generate_test_tt2.pl b/bin/generate_test_tt2.pl
new file mode 100755
index 00000000..266a5f6a
--- /dev/null
+++ b/bin/generate_test_tt2.pl
@@ -0,0 +1,95 @@
+#!/usr/bin/env perl
+#
+# Copyright: 2020 Sipwise Development Team <support@sipwise.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This package is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# On Debian systems, the complete text of the GNU General
+# Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".
+#
+use 5.014;
+use strict;
+use warnings;
+use Cwd 'abs_path';
+use Data::Dumper;
+use YAML::XS qw(LoadFile);
+use Getopt::Long;
+use English;
+use utf8;
+use JSON;
+
+sub usage
+{
+  my $output = "usage: generate_test_tt2.pl [-h] file\n";
+  $output .= "\tOptions:\n";
+  $output .= "-h --help: this help\n";
+  return $output
+}
+
+my $yml = '';
+my $help = 0;
+GetOptions ("h|help" => \$help)
+  or die("Error in command line arguments\n".usage());
+
+if($#ARGV!=0 || $help)
+{
+  die(usage())
+}
+my $filename = abs_path($ARGV[0]);
+my $json;
+{
+  local $INPUT_RECORD_SEPARATOR = undef; #Enable 'slurp' mode
+  open my $fh, "<", $filename;
+  $json = <$fh>;
+  close $fh;
+}
+my $inlog = decode_json($json);
+print "flow:\n";
+foreach my $i (@{$inlog->{'flow'}})
+{
+  foreach my $key (keys %{$i})
+  {
+    print "  - ".$key.":\n";
+  }
+}
+print "sip_in:\n";
+foreach my $i (@{$inlog->{'sip_in'}})
+{
+  my @line = split(/\r\n/, $i);
+  foreach my $l (@line)
+  {
+    if($l) {
+      print "  - '$l'\n";
+    } else {
+      # we don't care about SDP
+      last;
+    }
+  }
+}
+print "sip_out:\n";
+foreach my $i (@{$inlog->{'sip_out'}})
+{
+  my @line = split(/\r\n/, $i);
+  print "  - [\n";
+  foreach my $l (@line)
+  {
+    if($l) {
+      print "      '$l',\n";
+    } else {
+      # we don't care about SDP
+      last;
+    }
+  }
+  print "    ]\n";
+}
diff --git a/bin/show_flow.pl b/bin/show_flow.pl
index 945803c1..d9b6265c 100755
--- a/bin/show_flow.pl
+++ b/bin/show_flow.pl
@@ -39,7 +39,7 @@ sub usage
 my $yml = '';
 my $help = 0;
 my $json_in = 0;
-GetOptions ("y|yml+" => \$yml, "h|help" => \$help, "j|json" => \$json_in)
+GetOptions ("y|yml" => \$yml, "h|help" => \$help, "j|json" => \$json_in)
   or die("Error in command line arguments\n".usage());
 
 if($#ARGV!=0 || $help)
diff --git a/bin/show_sip.pl b/bin/show_sip.pl
new file mode 100755
index 00000000..5633e18a
--- /dev/null
+++ b/bin/show_sip.pl
@@ -0,0 +1,68 @@
+#!/usr/bin/env perl
+#
+# Copyright: 2020 Sipwise Development Team <support@sipwise.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This package is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# On Debian systems, the complete text of the GNU General
+# Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".
+#
+use 5.014;
+use strict;
+use warnings;
+use Cwd 'abs_path';
+use Data::Dumper;
+use Getopt::Long;
+use English;
+use utf8;
+use JSON;
+
+sub usage
+{
+  my $output = "usage: show_sip.pl [-h] file\n";
+  $output .= "\tOptions:\n";
+  $output .= "-h --help: this help\n";
+  return $output
+}
+
+my $help = 0;
+my $json_in = 0;
+GetOptions ("h|help" => \$help)
+  or die("Error in command line arguments\n".usage());
+
+if($#ARGV!=0 || $help)
+{
+  die(usage())
+}
+my $filename = abs_path($ARGV[0]);
+my $json;
+{
+  local $INPUT_RECORD_SEPARATOR = undef; #Enable 'slurp' mode
+  open my $fh, "<", $filename;
+  $json = <$fh>;
+  close $fh;
+}
+my $inlog = decode_json($json);
+
+print "=== sip_in ===\n";
+foreach my $i (@{$inlog->{'sip_in'}})
+{
+  print "$i\n---\n";
+}
+print "=== sip_out ===\n";
+foreach my $i (@{$inlog->{'sip_out'}})
+{
+  print "$i\n---\n"
+}
+#EOF