STS (Speech-to-Speech)
Speech-to-Speech (STS) is especially useful for people who have difficulty speaking or being understood on the telephone. STS involves specially trained Communication Assistants (CA) who are familiar with the speech patterns of a wide variety of individuals who have difficulty being understood.

- Dial 711 or the toll-free STS number for your state.
- Provide the STS CA the number you wish to call, plus any special instructions.
- The CA will ask the person you are calling if he/she is familiar with STS. If the person is not, the CA will explain how STS works before the conversation begins.
- The CA will repeat your part of the conversation, in short phrases, unless you request otherwise. The CA will work closely with you to ensure your entire conversation is understood.
- Say “Go Ahead” or “GA” each time you are finished speaking and are ready for a response. The conversation will proceed in this manner until the call is complete.
- To end your call, say “GA to SK” or simply say “Goodbye.”
Hamilton Relay’s Speech-to-Speech (STS) User Training Line is a resource for individuals, businesses, families and communities so they may familiarize themselves with the proper etiquette and standard procedures of using STS. In order to utilize the training line, individuals must reside in or use the service where a resident resides in a state that supports the STS User Training Line.
On the STS User Training Line, representatives are prepared to:
The STS User Training Line is available 24/7 in Colorado and can be reached by contacting the Customer Care Department.