/mcp• TTY phones do not display the voice names but simply playback the voice names. • Use TTY angel to display voice name as text and replace them in Unity Connection. For more information on TTY angel, see the TTY Angel Help at http://www.ciscounitytools.com/Applications/General/ TTYAngel/TTYAngel.html. • It is recommended to disable the comfort noise on Cisco Unity Connection Administration for better quality conversation using ipTTY device. To disable the comfort noise, navigate to System Settings > Advanced > Telephony and uncheck the "Vad Enabled" check box. For information on how to use ipTTY device, see the ipTTY Configuration Guide for Cisco UCM 9.x at https://docs.google.com/document/ d/1CmS0aTN7hIFqlZ_PvjKqTlhgK5xV8IPNTmi8cgsbn6w/edit?pref=2&pli=1. Setting Up Cisco Unity Connection to Use the TTY Prompt Set To set up Unity Connection for TTY, do the following tasks. Procedure Step 1 Obtain a dial-in number that will be used exclusively for outside callers with TTY to call in to Unity Connection. Set up the phone system and integration as required. Step 2 Install TTY devices for subscribers, as needed. Step 3 Install the ENX language on the Unity Connection server. Step 4 Confirm that G.711 is selected as the Unity Connection message recording and storage code. Step 5 Create a TTY subscriber template. This template will be used when creating subscriber accounts for all subscriber who will use TTY. You may also want to create a TTY class of service, on which you disable Text to Speech for these subscribers. Step 6 Create a routing rule for the TTY dial-in number. Step 7 Create an opening greeting call handler for the TTY dial-in number. Step 8 Set up additional TTY call handlers as needed. Step 9 Record greetings in TTY by using the TTY Angel, or by using the Media Player and a TTY phone as a recording and playback device. You will need to record the following greetings, as applicable: the opening greeting, additional call handler greetings, and subscriber greetings. Step 10 Test the TTY dial-in number, opening greeting, call handlers, and all subscriber devices to confirm correct operation for both incoming and outgoing TTY calls. System Administration Guide 17 Accessibility Setting Up Cisco Unity Connection to Use the TTY Prompt Set