Add other_callers_in_conf phrase macro

conf/lang/en/ivr/sounds.xml

@@ -29,6 +29,34 @@
         </input>
     </macro>
     
+    <macro name="callers_in_conf">
+        <input pattern="^1$" break_on_match="true">
+            <match>
+                <action function="sleep" data="500"/>
+<!--                <action function="play-file" data="ivr/ivr-there_is.wav"/> -->
+                <action function="play-file" data="digits/1.wav"/>
+                <action function="sleep" data="100"/>
+                <action function="play-file" data="conference/conf-listener_in_conference.wav"/>
+            </match>
+        </input>
+        <input pattern="^(\d+)$">
+            <match>
+                <action function="sleep" data="500"/>
+                <action function="play-file" data="ivr/ivr-there_are.wav"/>
+                <action function="say" data="$1" method="pronounced" type="items"/>
+                <action function="sleep" data="100"/>
+                <action function="play-file" data="conference/conf-members_in_conference.wav"/>
+            </match>
+            <nomatch>
+                <action function="sleep" data="500"/>
+                <action function="play-file" data="ivr/ivr-there_are.wav"/>
+                <action function="play-file" data="digits/0.wav"/>
+                <action function="sleep" data="100"/>
+                <action function="play-file" data="conference/conf-members_in_conference.wav"/>
+            </nomatch>          
+        </input>
+    </macro>    
+
     <macro name="enter_dest_number">
       <input pattern="^(.*)$">
         <match>