Press and hold button on Moto Razr/Razr Maxx workaround?

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http://stackoverflow.com – I've searched around and haven't found anyone else who has asked something very similar, or I am asking incorrectly. I'm trying to implement a Push to Talk functionality on my phone and transmit the data to another device. On most phones this works fine (with an on-screen button, you hold it down, talk, and it stops recording when you lift your finger). However, on Motorola phones, it seems to fail after 30-40 seconds I've only seen it on Motorola Razr and Razr Maxx phones (what I've tested), and does not occur on any other manufacturer. If you 'massage' the button by moving your finger a (HowTos)