Asterisk 1.6 emerged with the several features of version 1.2 and 1.4, and also it features new dial plan functions. Further is the list of the recent updates on functionality changes.
Dialtel is an International Wholesale and Retail Carrier. We mostly focus on destinations in Africa, Middle East and Asia. Attached I am sending our Push list. Please check it and let me know whether you can use any of the routes.