Rick, I can't offer an explanation for this either! Both FireFox and IE have long supported plugins (like Skype that I also use for landline-mobile calls) that you can click on in the message and call a number. I don't how this is different in user interaction with that of a haptic interface on a mobile device.
So my question why didn't Apple sue Mozilla and Microsoft on this?
Another example of where the current patent system needs rework, regardless of whether or not you feel this is a valid patent. Many of the same arguments can be applied to the other patents in the case and why they should or should not have found in favor of them.
The original Andoid OS which Google acquired was a blackberry symbian clone[search google for pics]. Its only after Eric saw iPhone using his privileged access from Apple board, Google started working on todays Android.
I keep saying this to all human race: the best tech companies are ones with good lawyers. It is not always the tech that wins - the other side matters. Can you imagine this? Just like Intel that wants to have a monopoly.