Air Pods Pro how to end a phone call, I cannot double tap an air pod to end calls!

Press the Force Sensor on either of your AirPods.

There is no tap feature on AirPods Pro.

they have a squeezable stem.

https://support.apple.com/en-us/HT207010

Control audio with your AirPods Pro

• To play and pause your audio content, press the force sensor on the stem of an AirPod. To resume playback, press again.
• To skip forward, double-press the force sensor on the stem of an AirPod.
• To skip back, triple-press the force sensor.
• To change the volume, say "Hey, Siri," then say something like "Turn down the volume." Or drag the volume slider in the app you're listening to, on the Lock screen, or in Control Center. You can also open Now Playing on your Apple Watch and turn the Digital Crown to adjust volume.

AirPods Pro let you control how much you hear your surroundings. Press and hold the force sensor to switch between Active Noise Cancellation and Transparency mode. You can select which modes the press-and-hold action switches between in Settings > Bluetooth > AirPods Pro > Press and Hold AirPods.