It is amazing that all the big guys have reduced churn and yet are still growing.

Right now we are still in the convergence transition period, with a lot of different applications and operating systems out there that need to be put together. There's no standardized format for this yet -- it's like a puzzle where the pieces have been all shaken up and now they all need to be organized.

It's not surprising that we haven't heard of many other large business users making the switch. There are still a lot of challenges with in-building coverage, lack of features such as four-digit dialing, and poor [device] battery life.