The blacklist represents itself a list or register of entities which are denied privileges, service, mobility, access and admission due to these or other reasons. This function blocks all connections from the subscribers who are in the list.
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.