SMS Callback
	SMS Callback is similar to the traditional Callback: users receive a callback, allowing them to make international calls at lower rates. This solution gives users the ability to initiate voice calls simply by sending an SMS text message from their mobile phone. The SMS message contains the Personal Identification Number (PIN) and/or phone number. You can offer the service via calling cards. The calling cards have the access number of the SMS Gateway.
	SMS Callback: (1) The mobile user needs to register first : He sends an SMS text message containing his PIN number to the Gateway. He will receive a confirmation that he has been registered.  (2) To initiate a call, the mobile user sends an SMS containing the desired number to call. Within seconds, the platform in Germany calls the registered user back (A) and connects him to the party (B) he wish to call to.
	Advantages
	Charging of the mobile calls at the tariffs of a fixed line call Decrease of the roaming costs Transfer of A-user phone number  Worldwide distribution of the service (GSM required)
	The end-user can, by using a single web-interface, check his call list and his credit. A customizable billing solution enable service providers to manage all their customer.
	Functions
	User-friendly installation of the SMS Gateway Support of numbers translation Resellers can access the data via Internet Customer management via web interface