Enabling Auto Answer Page on the Cisco IP Phone allows it to automatically answer any incoming call or page without you having to accept the page. This feature is designed to work using the speakerphone or a headset.
To automatically answer calls when Auto Answer Page is enabled, take note of the following:
When using a headset
button is lit up. This indicates that you are on headset mode.
button to start or end calls. Pressing this button turns off the headset mode. Use the buttons and softkeys instead.When using the speakerphone
button is not lit up.
button. This automatically turns off the speakerphone mode and use the headset.This article aims to show you how to enable Auto Answer Page on your Cisco IP Phone 8800 Series.
Step 1. Access the web-based utility of your IP Phone then click Admin Login > advanced.

Step 2. Click Voice.

Step 3. Click User.

Step 4. In the Supplementary Services area, click on the drop-down menu for Auto Answer Page and choose Yes.

Step 5. Click Submit All Changes.

You should now have enabled Auto Answer Page through the web-based utility of the phone.
Step 1. Press the Applications button on the IP phone.

Step 2. Using the Navigation cluster
button, navigate to User preferences then press the Select softkey.

Step 3. Choose Call preferences then press the Select softkey.

Step 4. Navigate to Auto answer page and then press the Navigation cluster
right button to set it to On.

Step 5. Press the Set softkey.

You should now have enabled Auto Answer Page on your Cisco IP Phone through the GUI.