13.2: Access to relay services

Where ICT systems support two-way communication and a set of relay services for such communication is specified, access to those relay services shall not be prevented for outgoing and incoming calls.


  1. Two-way communication may include voice, real-time text, or video, singly or in combinations supported by both the relay service and the ICT system.
  2. The purpose of this requirement is to achieve functionally equivalent communication access by persons with disabilities.

Testing methods

Type of complianceInspection
    1. The ICT system supports two-way communication.
    2. A set of relay services for two-way communication is specified.
      1. Check that the system does not prevent access to any of those relay services for incoming and outgoing calls.
      Result Pass: Check 1 is true
      Fail: Check 1 is false


      Requirement details

      Reference number: 13.2

      Related requirements

      Related functional statements

      Related technical requirements

      No related technical requirements are associated with this technical requirement