Broadband ISDN
A circuit-switched service but it uses ATM to move data
Backwardly compatible with ISDN.
B-ISDN services offered:
- Full duplex channel at 155.2 Mbps
- Full duplex channel at 622.08 Mbps
- Asymmetrical service with two simplex channels (Upstream: 155.2 Mbps, downstream: 622.08 Mbps)