On the one hand, I thought the same. On the other, this is area is a minefield of proprietary non standards and walled off chips and protocols. Embedded is bad,

On the one hand, I thought the same. On the other, this is area is a minefield of proprietary non standards and walled off chips and protocols. Embedded is bad, communication even worse. Having an open source phonecall is a real achievement and a testament to the endurance of the people working on it. Its impressive and not at all, at the same time.