telephone channel
3.Each guest room has standard facilities such as: air-conditioning, individual bathroom, IDD telephone, multi-channel TV sets, safe deposit box, mini-bar, hair dryer, etc.
4.By adding ADSL modems to each end of a twisted-pair telephone line, telephone service providers can split that line into a downstream channel that ranges in speed from 1.5M to 6.1M bit/sec, a duplex channel that ranges in speeds from 16K to 640K bit/sec and a plain old telephone service (POTS) channel.

