Comments on: Emergency & Deaf community http://grantlairdjr.com/wp/2004/11/28/emergency_a_deaf_community/ Peace, Love, Unity, and Respect Wed, 19 Nov 2008 12:52:06 +0000 http://wordpress.org/?v=2.6.1 By: Grayson Peddie http://grantlairdjr.com/wp/2004/11/28/emergency_a_deaf_community/#comment-3058 Grayson Peddie Sun, 15 Oct 2006 01:50:54 +0000 #comment-3058 It is possible to use TTY over Vonage (or any good VoIP Provider) and with good Internet Broadband speed provided by ISP like Comcast. Here's the instructions on setting up TTY over VoIP: 1. Really good ISP with good ping latency. (I recommend an ISP that is "XBOX LIVE recommended" or has good reviews for latency on places like dslreports.com -- those often work better; ISP's that plays wonderfully in online videogames are often very good for VoIP too.) 2. Good VoIP brand provider with good reliability. (i.e. CallVantage, Vonage, etc.) Sometimes one or the other works better with a particular ISP. 3. VoIP box or router with QoS as the FIRST box that connects to the Internet. (For example: Motorola VT2442). This makes sure that VoIP does not get interference if other people are downloading at the same time as your phone call. 4. Configure VoIP to maximum quality voice codec (G.711 digital codec). You have to do this to eliminate the scrambling in TTY. This is from <a href="http://www.alldeaf.com/deaf-products-technologies/34404-howto-successfully-getting-tty-working-over-voip.html" title="This takes you to AllDeaf.com forum titled 'HOWTO: Successfully getting TTY working over VoIP.'" rel="nofollow">here.</a> It is possible to use TTY over Vonage (or any good VoIP Provider) and with good Internet Broadband speed provided by ISP like Comcast.

Here’s the instructions on setting up TTY over VoIP:

1. Really good ISP with good ping latency. (I recommend an ISP that is “XBOX LIVE recommended” or has good reviews for latency on places like dslreports.com — those often work better; ISP’s that plays wonderfully in online videogames are often very good for VoIP too.)
2. Good VoIP brand provider with good reliability. (i.e. CallVantage, Vonage, etc.) Sometimes one or the other works better with a particular ISP.
3. VoIP box or router with QoS as the FIRST box that connects to the Internet. (For example: Motorola VT2442). This makes sure that VoIP does not get interference if other people are downloading at the same time as your phone call.
4. Configure VoIP to maximum quality voice codec (G.711 digital codec). You have to do this to eliminate the scrambling in TTY.

This is from here.

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