puts seems to be buffering the output, causing the parser to lose syn…

…c. Try this more direct approach.

lib/adhearsion/voip/asterisk/commands.rb

@@ -44,7 +44,7 @@ module Commands
 
         # Utility method to write to pbx.
         def write(message)
-          to_pbx.puts(message)
+          to_pbx.print(message + "\n")
         end
 
         # Utility method to read from pbx. Hangup if nil.