diff --git a/network/sonus/sbc/snmp/dspstats.pm b/network/sonus/sbc/snmp/dspstats.pm
new file mode 100644
index 000000000..9bb8ba83e
--- /dev/null
+++ b/network/sonus/sbc/snmp/dspstats.pm
@@ -0,0 +1,209 @@
+#
+# Copyright 2016 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::sonus::sbc::1000::snmp::mode::dspstats;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+my $instance_mode;
+
+sub custom_threshold_output {
+    my ($self, %options) = @_;
+    my $status = 'ok';
+    my $message;
+
+    eval {
+        local $SIG{__WARN__} = sub { $message = $_[0]; };
+        local $SIG{__DIE__} = sub { $message = $_[0]; };
+
+        if (defined($instance_mode->{option_results}->{critical_status}) && $instance_mode->{option_results}->{critical_status} ne '' &&
+            eval "$instance_mode->{option_results}->{critical_status}") {
+            $status = 'critical';
+        } elsif (defined($instance_mode->{option_results}->{warning_status}) && $instance_mode->{option_results}->{warning_status} ne '' &&
+                 eval "$instance_mode->{option_results}->{warning_status}") {
+            $status = 'warning';
+        }
+    };
+    if (defined($message)) {
+        $self->{output}->output_add(long_msg => 'filter status issue: ' . $message);
+    }
+
+    return $status;
+}
+
+sub custom_state_output {
+    my ($self, %options) = @_;
+
+    my $msg = sprintf("state is '%s'", $self->{result_values}->{state});
+    return $msg;
+}
+
+sub custom_state_calc {
+    my ($self, %options) = @_;
+
+    $self->{result_values}->{state} = $options{new_datas}->{$self->{instance} . '_state'};
+    $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
+    return 0;
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'dsp', type => 1, cb_prefix_output => 'prefix_dsp_output', message_multiple => 'All DSP stats and states are OK' },
+    ];
+    $self->{maps_counters}->{dsp} = [
+        { label => 'state', threshold => 0,  set => {
+                key_values => [ { name => 'state' }, { name => 'display' } ],
+                closure_custom_calc => \&custom_state_calc,
+                closure_custom_output => \&custom_state_output,
+                closure_custom_perfdata => sub { return 0; },
+                closure_custom_threshold_check => \&custom_threshold_output,
+            }
+        },
+        { label => 'cpu', set => {
+                key_values => [ { name => 'cpu' }, { name => 'display' } ],
+                output_template => 'CPU Usage: %s',
+                perfdatas => [
+                    { label => 'cpu', value => 'cpu_absolute', template => '%d',
+                      min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+        { label => 'channels', set => {
+                key_values => [ { name => 'channels' }, { name => 'display' } ],
+                output_template => 'Active Channels: %s',
+                perfdatas => [
+                    { label => 'channels', value => 'channels_absolute', template => '%d',
+                      min => 0, unit => 'channels', label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+    ];
+}
+
+sub prefix_dsp_output {
+    my ($self, %options) = @_;
+
+    return "DSP '" . $options{instance_value}->{display} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                "warning-status:s"        => { name => 'warning_status', default => '' },
+                                "critical-status:s"       => { name => 'critical_status', default => '%{state} eq "down"' },
+                                });
+    return $self;
+}
+
+sub change_macros {
+    my ($self, %options) = @_;
+
+    foreach (('warning_status', 'critical_status')) {
+        if (defined($self->{option_results}->{$_})) {
+            $self->{option_results}->{$_} =~ s/%\{(.*?)\}/\$self->{result_values}->{$1}/g;
+        }
+    }
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $self->change_macros();
+    $instance_mode = $self;
+}
+
+my %map_status = (
+    0 => 'down',
+    1 => 'up',
+);
+
+my $mapping = {
+    uxDSPIsPresent	=> { oid => '.1.3.6.1.4.1.177.15.1.6.1.3' },
+    uxDSPCPUUsage 	=> { oid => '.1.3.6.1.4.1.177.15.1.6.1.4' },
+    uxDSPChannelsInUse	=> { oid => '.1.3.6.1.4.1.177.15.1.6.1.5' },
+    uxDSPServiceStatus	=> { oid => '.1.3.6.1.4.1.177.15.1.6.1.6', map => \%map_status },
+};
+
+my $oid_uxDSPResourceTable = '.1.3.6.1.4.1.177.15.1.6.1';
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    $self->{snmp} = $options{snmp};
+
+    $self->{results} = $options{snmp}->get_table(oid => $oid_uxDSPResourceTable,
+                                                 nothing_quit => 1);
+
+    foreach my $oid (keys %{$self->{results}}) {
+        next if($oid !~ /^$mapping->{uxDSPServiceStatus}->{oid}\.(.*)$/);
+        my $instance = $1;
+        my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $self->{results}, instance => $instance);
+
+        next if ($result->{uxDSPIsPresent} eq '0');
+
+	$self->{dsp}->{$instance} = { state   => $result->{uxDSPServiceStatus},
+                                      cpu  => $result->{uxDSPCPUUsage},
+                                      channels  => $result->{uxDSPChannelsInUse},
+                                      display => $instance };
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Digital Signal Processing statistics
+
+=over 8
+
+=item B<--warning-*>
+
+Warning on counters. Can be ('cpu', 'channels')
+
+=item B<--critical-*>
+
+Warning on counters. Can be ('cpu', 'channels')
+
+=item B<--warning-status>
+
+Set warning threshold for status. Use "%{state}" as a special variable.
+Useful to be notified when tunnel is up "%{state} eq 'up'"
+
+=item B<--critical-status>
+
+Set critical threshold for status. Use "%{state}" as a special variable.
+Useful to be notified when tunnel is up "%{state} eq 'up'"
+
+=back
+
+=cut