Sending SMS to Customers through Navision 6.0 Sp1


I am using navision 6.0 sp1 version ,My requirement is ,

Once the serial No is assigned for the customer .I need to send that serial no to the customer through SMS.

Since sending SMS is possible in navision without integrating any external application with navision.

Kindly suggest me experts… :-k

Kindly look into following links