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The Cortelco Sentry 8790 is a speaker phone. It supports several features such as last number redial, a switchable Flash and handset volume control.
The Sentry 8790 also offers 55 Caller ID Record with Name and Number Caller ID. It features message waiting with LED indicator and a Redial Button for redialing the last number dialed.
Sentry 8790 Features:
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- Adjustable Handset Volume Control
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