Jabra PRO 920 Installation guide
How do I ensure clear audio when I use my headset with my
desk phone?
Ensure the Dial Tone Switch, microphone position, and microphone
volume are configured properly. Refer to the Quick Start Guide or user
manual for your Jabra device for specific instructions on how to adjust
these settings.
1. Adjust the setting for Dial Tone Switch to match your phone. You can
verify the correct settings for your desk phone by using the Jabra
Compatibility Guide. The following settings for Dial Tone Switch* will
work in most cases.
Switch A: Avaya and most other phones
Switch B: Cisco, Avaya Callmaster 5 and 6
Switch C: Kirk Delta
Switch D: Tenovis
Switch E: Innovaphone
Switch F: Other phones
Switch G: Toshiba (most models), Dealerboards (most models
including IPC and BT)
*Switch options may vary depending on the product.
2. Make sure the microphone is positioned close to your mouth to
maximize speech quality and the noise cancelling capabilities. If the
microphone is long enough, position it approximately 1 inch from your
mouth.
3. The volume level of the headset microphone should approximately
match the audio level of your desk phone. Use the Microphone Volume
Control switch on the base to adjust the volume up or down as needed.
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