1 files changed, 6 insertions, 0 deletions
diff --git a/app/models/gateway.rb b/app/models/gateway.rb
index a8df41f..2f17b57 100644
--- a/app/models/gateway.rb
+++ b/app/models/gateway.rb
@@ -1,10 +1,12 @@
 class Gateway < ActiveRecord::Base
   TECHNOLOGIES = ['sip', 'xmpp']
+  GATEWAY_PREFIX = 'gateway'
 
   attr_accessible :name, :technology, :inbound, :outbound, :description
 
   has_many :gateway_settings, :dependent => :destroy
   has_many :gateway_parameters, :dependent => :destroy
+  has_many :call_routes, :as => :endpoint, :dependent => :nullify
 
   validates :name,
             :presence => true,
@@ -21,6 +23,10 @@ class Gateway < ActiveRecord::Base
     name
   end
 
+  def identifier
+    "#{GATEWAY_PREFIX}#{self.id}"
+  end
+
   private
   def downcase_technology
     self.technology = self.technology.downcase if !self.technology.blank?