| NOTAS: | Excerto do prefácio:
"This new report in the ITU Internet reports series looks at the topic of IP Telephony. Internet Protocol (IP) Telephony is rapidly reaching the top of the agenda for the telecommunications industry worldwide. The possibility of transmitting voice over IP-based networks, with all its challenges and associated opportunities, such as voice and data integration, constitutes a milestone in the convergence of communications sector." |
