translate RTT communication

Where ICT supports two-way voice communication in a specified context of use, the ICT shall allow a user to communicate with another user by RTT.


  1. The RTT capability can be provided as a factory default or added later.
  2. Provision of RTT may require additional service provision, additional hardware and/or software which may be provided separately or together.

Testing methods

Type of compliance Inspection
  1. The ICT system under test allows two-way voice communication.
  2. A "reference" RTT-capable device compatible with the system is connected at the other end of the system.
  1. Check that the ICT allows a user to communicate with the "reference" ICT by RTT.
Result Pass: Check 1 is true
Fail: Check 1 is false

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