Patent ID: 7957717
Filing Date: 2011-06-07
Classification: H04M

Abstract:
1. A method for distinguishing between correspondents in a teletypewriter (TTY) call on a mobile device providing access to at least a first communication line configured to receive TTY calls, said method comprising: examining an incoming or outgoing TTY transmission associated with said TTY call; determining an identifier in said TTY transmission associated with a respective correspondent participating in said TTY call, said correspondent being said mobile device for outgoing TTY transmissions and being an other party for incoming TTY transmissions; for incoming TTY transmissions, comparing said identifier to data stored in an address book on said mobile device and, if said other party is found in said address book, accessing at least a portion of said data; and using said identifier to identify said respective correspondent by displaying said at least a portion of said data on a display screen provided by said mobile device with text associated with said TTY call.