Make messages include call_logs in json

twilio/app/models/message.rb

@@ -4,4 +4,8 @@ class Message < ActiveRecord::Base
   validates :secret, presence: true, uniqueness: true
 
   has_many :call_logs
+
+  def as_json(options = {})
+    super(include: :call_logs)
+  end
 end