teletypewriter exchange service


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teletypewriter exchange service

[¦tel·ə′tīp‚rīd·ər iks¦chānj ‚sər·vəs]
(communications)
A service furnished by telephone companies to subscribers in the United States, whereby any of the subscribers can communicate directly with any other subscriber via teletypewriter. Also known as TWX service.
References in periodicals archive ?
The IRS found that payments for these two services were not subject to the tax, because they were not for local telephone service, toll telephone service or teletypewriter exchange service.
Finally, the Service concluded, without any analysis, that PRI and "other line services" are not payments for teletypewriter exchange service.