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About
This example is a very quick and dirty dialplan and conference config that lets you hear how many callers are in conference.
Configuration
First, add this group to your caller-controls in $${conf_dir}/autoload_configs/conference.conf.xml:
conference.conf.xml
<group name="plain">
<control action="mute" digits="0"/>
<control action="energy up" digits="9"/>
<control action="energy equ" digits="8"/>
<control action="energy dn" digits="7"/>
<control action="vol talk up" digits="3"/>
<control action="vol talk zero" digits="2"/>
<control action="vol talk dn" digits="1"/>
<control action="vol listen up" digits="6"/>
<control action="vol listen zero" digits="5"/>
<control action="vol listen dn" digits="4"/>
<control action="execute_application" digits="#" data="execute_extension ANNOUNCE_CONF_COUNT_PRIVATE XML default"/>
</group>
Be sure to have your conference profile use the "plain" caller-controls listed above. (Feel free to customize the controls as you see fit or use the bind_digit_action method found in the Conference Add Call Example.)
Next, add this dialplan to $${conf_dir}/dialplan/default/01_Announce_Conf_Count.xml:
01_Announce_Conf_Count.xml
<include>
<!-- Sample dialplan for announcing the call count -->
<extension name="Announce Conf Count (Inline)">
<condition field="destination_number" expression="^ANNOUNCE_CONF_COUNT_PRIVATE$">
<action application="set" data="conf_count=${conference ${conference_name} list count}"/>
<action application="log" data="INFO ${conf_count}"/>
<action application="say" data="en number pronounced ${conf_count}"/>
</condition>
</extension>
</include>
Call the conference and press #. The system will "say" how many callers are in the conference.
Note: You may also execute this announce extension prior to sending the caller into the conference in order to give him a count prior to joining.Make it clear that the number announced excludes the new caller because he hasn't yet joined the conference.
