Freeswitch call timeout

gistfile1.xml

<!-- Trying to set a timeout on a call -->

<extension name="rule-xxx">
  <condition field="destination_number" expression="^xxx$" break="on-true">
    <action application="set" data="ringback=${us-ring}"/>
    <action application="set" data="transfer_ringback=${us-ring}"/>
    <action application="set" data="external_call=true"/>
    <action application="set" data="hangup_after_bridge=true"/>
    <action application="set" data="continue_on_fail=true"/>
    <!-- Prints: EXECUTE sofia/internal/100@172.16.7.24 log(INFO IGNORE_EARLY_MEDIA: ) -->
    <action application="log" data="INFO IGNORE_EARLY_MEDIA: ${ignore_early_media}"/>
    <action application="set" data="call_timeout=10"/>
    <action application="bridge" data="sofia/gateway/mytrunk/$1"/>
  </condition>
</extension>

<!-- I also tried substituting the set or bridge above by this: -->

<action application="set" data="originate_timeout=10"/>

<action application="bridge" data="{originate_timeout=10}sofia/gateway/mytrunk/$1"/>

<action application="bridge" data="{call_timeout=10}sofia/gateway/mytrunk/$1"/>

<action application="bridge" data="{leg_timeout=10}sofia/gateway/mytrunk/$1"/>

<action application="bridge" data="[leg_timeout=10]sofia/gateway/mytrunk/$1"/>

<!--

In every time the timeout is being set as I see it on the log.

Like this: 2014-09-30 17:53:32.990064 [DEBUG] switch_event.c:1688 Parsing variable [call_timeout]=[10]
Or this:   EXECUTE sofia/internal/100@172.16.7.24 bridge({call_timeout=10}sofia/gateway/mytrunk/xxxx)

Used this as reference:
https://wiki.freeswitch.org/wiki/Variable_call_timeout
https://wiki.freeswitch.org/wiki/Variable_originate_timeout
https://wiki.freeswitch.org/wiki/Variable_leg_timeout

-->