Wireline Basics

• TTY = the Deaf phone

• Use declining due to other technology options

• But still the de facto standard

• Very impt to rural areas, elderly, low income

• 9-1-1 = a phone-based service

• Relay service = a phone-based service

• But moving beyond the TTY

• Relay service must handle emergency callers by calling the most appropriate 9-1-1 center