Sign In

Forgot your password?

Haven't registered yet?


10/23/2016 » 10/27/2016
2016 Florida NENA Fall Conference

10/24/2016 » 10/26/2016
Nebraska NENA Chapter Conference

#WebinarWednesday - Securing Your PSAP Against Cyber Threats

TTY/TDD Communications SOP
Full Name:
TTY/TDD Communications Standard Operating Procedure Model
Document Type: Standard
Number: 56-004

This document has been developed to serve as a model standard operating procedure for handling TTY/TDD Communication within Public Safety Answering Points (PSAPs).

To provide uniformity and consistency in the handling of these calls, the following call-taking standards are recommended:

  • Telecommunicator training
  • Identification of TTY/TDD calls
  • TTY/TDD equipment and operation
  • Testing
  • Call handling process

In addition, this document provides a description of the variations in communicating with the hearing and speech impaired, such as the acoustic coupler mode, Voice Carry Over, Hearing Carry Over and Relay Service Calls.

Committee Name(s):

Standard Operating Procedures

Created: 06/25/2005


TTY/TDD Communications SOP
(c) 2013-14 NENA - National Emergency Number Association, Alexandria, VA
Please report errors, omissions, or concerns to NENA's Webmaster
Forgot your User Name or Password? - Automated Password Reset

NENA Intellectual Property Rights Policy