“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
Spadana Corporation was founded in 1997 by leading technology consultants in the sphere of networking and database industries. Since its beginning, Spadana Corporation has established itself as the leading provider of Voice-over-IP and networking solution