Dialing number after number, Martha Eisenhour sat at a single table working her way through a phone list of unreachable people that most campaigns might have abandoned.
But Eisenhour understands what most people don't - that sometimes there are people on the other end of that line.
The numbers - which give a pattern of electronic beeps and clicks - typically are discarded as faxes or computer modems. However, some connect to the homes and lives of people in the deaf community who communicate with a special text telephone called TTY.
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