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.
GMT es un operador de telefonia fija y movil virtual, con licencia para operar, tenemos rutas directas a europa y los principales paises de latino/america, estamos interesados en negocios bilaterales, con carriers de todo el mundo.