7 Telecommunications Products

7 Telecommunications Products

7-1.2.1 Technology

7-1.2.2 Audience

7-1.3 Structure and Use

7-1.4 Introduction to Telecommunications Accessibility

7-1.5 General Requirements

7-1.6 Testing for Compliance

7-2 TTY Connections and Microphones

7-2.1 Rationale

7-2.2 Techniques

7-2.2.1 All Telephone Systems Must Provide TTY Connections

7-2.2.2 Ring Signal Must Be Passed to TTY

7-2.2.3 User Must Be Able to Turn Microphone On and Off

7-2.2.4 Computers With Telecommunications Functions Must Support or Emulate TTYs

7-2.4 References

7-3 TTY Signal Protocols

7-3.1 Rationale

7-3.2 Techniques

7-3.4 References

7-4 Voice Mail, Auto-Attendant, and Interactive Voice Response (IVR) Systems

7-4.1 Rationale

7-4.2 Techniques

7-4.2.1 Voice Mail, Auto-Attendant, and IVR Systems Must Be Accessible to TTY Callers

7-4.2.2 IVRs Must Offer Access In a Way That Does Not Require User Speech

7-4.2.3 Notify User When Touch-Tone Response Is Required

7-4.2.4 TTY Users Must Have Full Access to Voice Mail

7-4.4 References

7-5 Time Interval Alerts for IVR Systems

7-5.1 Rationale

7-5.2 Techniques

7-5.2.1 Provide Warning Before Response Period TImeouts and Preserve User Input

7-5.2.2 Provide Control of Playback of IVR Messages

7-5.2.3 Use Both Visual and Audible Alerts

7-5.4 References

7-6 Caller ID and Similar Functions

7-6.1 Rationale

7-6.2 Techniques

7-6.2.1 Provide "Talking Caller ID" Functions

7-6.2.2 Provide Access to Telephone Information Through Assistive Technology

7-6.2.3 Provide Time-Sensitive Telephone Information Immediately

7-6.4 References

7-7 Volume Control

7-7.1 Rationale

7-7.2 Techniques

7-7.4 References

7-8 Automatic Volume Reset

7-8.1 Rationale

7-8.2 Techniques

7-8.2.1 Provide Acceptable, In-Range Default Volume Settings

7-8.2.2 Provide Automatic Reset of Volume Level and User Override Functions

7-8.2.3 Provide Visual Indicator of Volume Setting

7-8.4 References

7-9 Hearing Aid Compatibility

7-9.1 Rationale

7-9.2 Techniques

7-9.2.1 Provide Support for Inductive Coupling

7-9.2.2 Cellular Telephones Must Support Hearing Aid Compatibility

7-9.4 References

7-10 Minimized Interference

7-10.1 Rationale

7-10.2 Techniques

7-10.4 References

7-11 Transmission/Conducting Information

7-11.1 Rationale

7-11.2 Techniques

7-11.4 References

7-12 Controls and Keys

7-12.1 Rationale

7-12.2 Techniques

7-12.2.1 Ensure That Users Can Locate Keys By Touch Without Activating Them

7-12.2.2 Ensure That All Controls and Keys Are Easy to Use

7-12.2.3 Key Repeat Must Be Adjustable

7-12.2.4 Status of Locking/Toggle Controls or Keys Must Be Discernible

7-12.4 References