All phones
8800 Series phones
How do I know if I have an 8800 Series phone?
Adding speed dial via the portal
Go to the Cisco Self Care Portal
If you’re prompted to create a PIN, please do so.
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Profit
Connecting Bluetooth devices
Make sure your Bluetooth device is in discoverable mode.
2. On your IP Phone, press Applications (the gear button).
Select Bluetooth → Add Bluetooth.
Select your device from the available devices list to pair.
If you are pairing your mobile phone: When you are prompted to save mobile contacts, choose to make your mobile device contacts and call history available on your IP Phone.
Using the sidecar modular device
I have no idea what this is.