<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="3" />
    <!-- enable octet alignment -->
    <param name="octet-align" value="1"/>
    <!-- enable discontinuous transmission -->
    <param name="dtx" value="true"/>
  </settings>
</configuration>

<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>

Update AMR to use modes 4,5 and OA
Update AMR to use modes 4,5 and OA
