1. • The utilization of H.323 protocols on terrestrial frame relay and satellite frame relay networks; and

2. Data services include X.25 (packet switched network), Frame Relay, Asynchronous Transfer Mode (ATM), IP-VPN and Ethernet.

3. X.25, frame relay and ATM)), ancillary services (e.g. international 800, calling cards, etc.) and whole circuit IPLCs.

4. - Availability of "plug and play applications", interoperability among ISDN networks, among terminal equipment (end to end interoperability) and between ISDN and other networks (GSM, ATM, frame relay, cable networks, ADSL),