<tone name="DtInsideDialTone" code="0x21" overwrite="true"
frequencies="1" amplitude1="18000" amplitude2="18000">
<phase frequency1="420" on-duration="50000" off-duration="0"/>
</tone>
<tone name="StutterDialTone" code="0xe0" overwrite="true"
frequencies="1" amplitude1="18000" amplitude2="18000">
<phase frequency1="420" on-duration="1250" off-duration="250"/>
</tone>
<tone name="DtLineBusyTone" code="0x23" overwrite="true"
frequencies="1" amplitude1="8192" amplitude2="8192">
<phase frequency1="420" on-duration="400" off-duration="400"/>
</tone>
<tone name="DtAlertingTone" code="0x24" overwrite="true"
frequencies="1" amplitude1="8192" amplitude2="8192">
<phase frequency1="420" on-duration="1000" off-duration="5000"/>
</tone>
<dtmf-amplitudes low_freq_amp="30700" high_freq_amp="32700"/>
</Country>