Quick Links:


  • How to Make a Relay Call: Read a step-by-step guide about how to use the California Relay Service (CRS). A Relay call can be made either from or to a TTY including Voice Carry Over (VCO) and Hearing Carry Over (HCO), computer, webcam, or videophone.
  • California Relay Service (CRS): In California, Relay service is provided through Hamilton Relay. The CRS page gives more information and customer service numbers.
  • How to Customize Your California Relay Service (CRS) Calls: CRS will answer your call in English as a voice call. When appropriate, the call will be automatically switched to the appropriate modality and language. Find out how to make your calls more efficient. Find out how.
  • Speech-to-Speech (STS) Relay Service: The California STS Relay Service enables people who have a speech disability to communicate with other people by telephone. Specially-trained STS Communications Assistants (CAs) re-voice your conversation to the person you are calling. STS users may be using their own voices or Speech Generating Devices. Get the full story.
  • Visually Assisted Speech-to-Speech (VA STS): The California Relay Service (CRS) is offering a service that can enhance the Relay experience of individuals with a speech disability: Visually Assisted Speech-to-Speech (VA STS). 
  • Captioned Telephone Service (CapTel®): The CapTel telephone looks and works like an amplified telephone, with one important addition: everything your caller says is displayed in text, word-for-word, while you are listening. Find out how you can receive a CapTel phone.
  • California Relay Service (CRS) Frequently Asked Questions (FAQ):  As a consumer, you may have questions about CRS and the services available to you. To learn more about CRS, please review the CRS FAQ.