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Calisto 620 is a business-quality communication device with sensitive microphones; following
the recommendations below will assure a good user experience for you and people at the
other end of the call.
• Set speakerphone in an open area during use
• Keep objects 12 inches (304 mm) away from speakerphone for best performance
• Avoid moving the unit unnecessarily
• Avoid rustling papers, tapping pencils, etc., near the speakerphone
Important Tips for Using your Speakerphone
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