| This operation was performed in reverse using a copy of the paper tape at the receiving teletypewriter to decrypt the cipher. |
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| Another area of concern is the lack of access to teletypewriter facilities in airports, railway stations and booking services. |
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| The invention of the teletypewriter and its development of the teleprinter, linked to the telegraph system, added a further dimension to communications. |
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| If you have a hearing or speech impairment and use a teletypewriter, for enquiries call 1-800-665-0354 and an agent at our bilingual enquiry service can help you. |
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| In addition a system of holding teletypewriter conferences was developed. |
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| To provide effective service to our customers with hearing disabilities, our BMO Bank of Montreal Direct Banking Client Services Centre is equipped with a teletypewriter device. |
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