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External Speakers and Microphone
When you connect multiple headsets to the phone, the audio path that is used during a call changes based on
the audio devices that are connected.
Procedure
Step 1
(Optional) While you are on a call with an analog headset and a Bluetooth headset connected to the phone,
plug in a USB headset.
The call switches to the USB headset.
Step 2
(Optional) While you are on a call with a USB headset connected to the phone, unplug the USB headset.
If a Bluetooth headset is connected the call switches to it, else the call switches to the speaker.
Step 3
(Optional) While you are on a call with a Bluetooth headset connected to the phone, disconnect the Bluetooth
headset (that is, move out of range or power off the headset).
If a USB headset is connected the call switches to it, else the call switches to an analog headset.
Step 4
(Optional) While you are on a call with an analog headset and a USB headset connected to the phone, plug
in a Bluetooth headset.
The call switches to the Bluetooth headset.
External Speakers and Microphone
External speakers and microphones are plug-and-play accessories. You can connect an external PC-type
microphone and powered speakers (with amplifier) on the Cisco IP Phone by using the line in/out jacks.
Connecting an external microphone disables the internal microphone and connecting an external speaker
disables the internal phone speaker.
Note
Using poor quality external audio devices, playing loudspeakers at very loud volumes, or placing the microphone
very close to the loudspeaker may result in undesirable echo for other parties on your speakerphone calls.
Cisco IP Phone Key Expansion Module Setup Overview
The Cisco IP Phone 8800 Key Expansion Module adds extra programmable buttons to the phone. The
programmable buttons can be set up as phone line buttons, speed-dial buttons, or phone feature buttons.
Cisco IP Phone 8800 Series Multiplatform Phones User Guide
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Accessories
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Troubleshooting
