diff --git a/modules/rhizo_base/files/mod_amr.so b/modules/rhizo_base/files/mod_amr.so
new file mode 100644
index 0000000..e5c8d10
Binary files /dev/null and b/modules/rhizo_base/files/mod_amr.so differ
diff --git a/modules/rhizo_base/manifests/freeswitch.pp b/modules/rhizo_base/manifests/freeswitch.pp
index 5c417f6..7beede6 100644
--- a/modules/rhizo_base/manifests/freeswitch.pp
+++ b/modules/rhizo_base/manifests/freeswitch.pp
@@ -63,6 +63,16 @@ class rhizo_base::freeswitch::debian inherits rhizo_base::freeswitch::common {
       require => Package['freeswitch'],
     }
 
+  file { '/usr/lib/freeswitch/mod/mod_amr.so':
+      source  => 'puppet:///modules/rhizo_base/mod_amr.so',
+      require => Package['freeswitch'],
+    }
+
+  file { '/etc/freeswitch/autoload_configs/amr.conf.xml':
+      content => template('rhizo_base/amr.conf.xml.erb'),
+      require => Package['freeswitch'],
+    }
+
   file { '/etc/freeswitch/autoload_configs/modules.conf.xml':
       content => template('rhizo_base/modules.conf.xml.erb'),
       require => Package['freeswitch'],
diff --git a/modules/rhizo_base/templates/amr.conf.xml.erb b/modules/rhizo_base/templates/amr.conf.xml.erb
new file mode 100644
index 0000000..04f19e5
--- /dev/null
+++ b/modules/rhizo_base/templates/amr.conf.xml.erb
@@ -0,0 +1,18 @@
+<configuration name="amr.conf" description="mod_amr configuration">
+
+  <settings name="default">
+    <!-- AMR mode set (see RFC 4867) -->
+    <!-- param name="mode-set" value="0,1,2,3,4,5,6,7" /-->
+    <param name="mode-set" value="4,5" />
+
+    <!-- enable octet alignment -->
+    <param name="octet-align" value="1"/>
+
+    <!-- rhizomatica custom param: force OA mode always for osmo-bts -->
+    <param name="force-oa" value="1"/>    
+
+    <!-- enable discontinuous transmission -->
+    <param name="dtx" value="false"/>
+    <param name="default-bitrate" value="4"/>
+  </settings>
+</configuration>