How to make a call with just one command

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http://androidforums.com – I hate to make a phone call with an android. I need to press 4 or 5 symbols on the screen before the phone finally calls my friend. There must be an easy way to call people, for example when driving? Voice control is not an alternative (too hard to get the device to understand...). One thing which would remove one step, is to remove the option to always choose between voice call, video call and sms? I want to make a voice call directlyg without a question? What are my options? (General)