The common name shared by communication protocols, technologies and methods ensuring the transfer of the voice signal via the Internet network or by any other IP-networks. The signal is transferred by the communication channel in the digital form and, as a rule, before transferring compresses in order to remove abundance.
Companytel is a italian company created in Rome , specialized in the development and production of telecommunications equipment. It is comprised of specialists in the design and production of data and voice transmission equipment.
Companytel is