Telecommunication device for the deaf with automatic self-identi

Telecommunication device for the deaf with automatic transmissio

Telecommunication device for the deaf with interrupt and pseudo-

Telecommunication device operating under an enhanced TDD protoco

Telecommunications relay service method and apparatus

Telecommunications relay system

Telephone apparatus, systems, and processes to enhance access fo

Telephone for the deaf and method of using same

Telephone for the deaf and method of using same

Telephone handset for mixed-mode voice-and-TDD communication

Telephone interface for a handicapped individual

Telephone system integrated text based communication apparatus a

Telephone system integrated text based communication apparatus a

Telephone system integrated text based communication processes t

Telephone system integrated text based communication...

Telephone with unified features for hearing and deaf users

Telephonic speech training device

Text enhanced telephony

Text enhanced telephony

Text enhanced telephony