Efforts by cities and transit authorities to keep bus and train passengers connected have been lackluster, but 4G may change that.
What exactly is VoLTE (Voice over LTE)? In ten quick questions, we explain it, telling you how it works, when it may arrive, and why you might want it.
U.S. wireless carriers fear that Web voice services such as T-Mobile Bobsled will take a bite out of their profits. That could very well happen--and consumers could benefit.