Asterisk plugin doesn't deploy in 3.2.0

Asterisk 1.1.1 will download but not deploy :

java.lang.NoClassDefFoundError: org/jivesoftware/wildfire/Session
at org.jivesoftware.phone.PhonePlugin.init(PhonePlugin.java:82)
at org.jivesoftware.phone.PhonePlugin.initializePlugin(PhonePlugin.java:64)
at org.jivesoftware.wildfire.container.PluginManager.loadPlugin(PluginManager.java:404)
at org.jivesoftware.wildfire.container.PluginManager.access$200(PluginManager.java:46)
at org.jivesoftware.wildfire.container.PluginManager$PluginMonitor.run(PluginManager.java:920)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(Unknown Source)
at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)