freeswitch/conf/vanilla/dialplan/default/01_Talking_Clock.xml

<include>
  <extension name="Talking Clock Time" ><!--e.g. 10:56pm-->
    <condition field="destination_number" expression="^9170$">
      <action application="answer"/>
      <action application="sleep" data="1000"/>
      <action application="say" data="en CURRENT_TIME pronounced
				      ${strepoch()}"/>
      <action application="hangup"/>
    </condition>
  </extension>
  
  <extension name="Talking Clock Date" ><!--e.g. March 8, 2011-->
    <condition field="destination_number" expression="^9171$">
      <action application="answer"/>
      <action application="sleep" data="1000"/>
      <action application="say" data="en CURRENT_DATE pronounced
				      ${strepoch()}"/>
      <action application="hangup"/>
    </condition>
  </extension>
  
  <extension name="Talking Clock Date and Time" ><!--e.g. March 8, 2011
						     10:56pm-->
    <condition field="destination_number" expression="^9172$">
      <action application="answer"/>
      <action application="sleep" data="1000"/>
      <action application="say" data="en CURRENT_DATE_TIME pronounced
				      ${strepoch()}"/>
      <action application="hangup"/>
    </condition>
  </extension>
</include>