Is it possible to use Wi-Fi calling for free while traveling abroad or will you be charged for the service if you try?

AT&T's wireless network covers most of North America ... While you may receive a bill for roaming, your talk and text capabilities will not be blocked. Customers with an AT&T unlimited plan ...

To monitor large numbers of AGVs in manufacturing environments, a stable wireless network is required. Alex Liu explains what ...

As part of this, Nokia showed off its first handset designed to support seamless roaming between cellular and Wi-Fi networks. Nokia’s 6136 phone, due to ship in the second quarter of 2006 ...