This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
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.