SPOTLIGHT: A tricky future for wVoIP

While wireless VoIP is a promising technology, there are at least five reasons why setting it in motion is hard to pull off, according to one researcher. These include coverage issues, load balancing, packet collisions, battery life and market crowding. Among the most pressing: While WiFi is mature enough to support voice, it doesn't offer broad or strong enough coverage to make true wVoIP roaming practical. WiMAX technology, while offering a broad coverage area, isn't ready for a national roll out, he says. Article