CaptionCall 78T Quick Start Manual page 6

C U STO M E R S U P P O RT :
Email: support@captioncall.com
Phone: 1-877-557-2227
Get more volume
Use the Volume dial to turn the sound up or
down during a call. This dial adjusts volume on the
handset, on the speakerphone, and the ringer.
Warning: Setting the volume too
high can damage your hearing.
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