Video Calling - LG Optimums 2

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Good Morning All- I recently purchased a LG Optimums 2 (LG-AS680) with a rear facing camera only. Here is the the short question, how or is it possible to make a video call? I would like to chat using my WiFi, with that I have tried several different APK's with no success. When I check the settings menu there is no option to check to enable video calling. Further, I am able to make a voice call.
Any assistance will be greatly appreciated. Thank you
Features :
LG AS680 Optimums 2

• Android 2.3 (Gingerbread)
• 3.2” Capacitive Touch Screen Display
• 800MHz Processor
• 3.2MP Camera
• 2GB Micro SD Included: Supports up to 32GB
• Wi-Fi Hotspot
• Bluetooth 3.0

Perhaps even there is another solution a different app?

Thank you