Skype Zones can be downloaded at Skype's website and will cost $7.95 per month of $2.95 for a 2-hour connection. Skype Zones is currently a beta service, and terms and availability may change.
"Consumers and business travelers benefit from the freedom of low-cost, superior-quality calling while on the move by integrating Wi-Fi access and Skype's multi-mode communications. Skype users simply log on to the Skype Zones service using the Skype Zones - Powered by Boingo software, which includes Boingo's Wi-Fi sniffer, connection management and roaming authentication capabilities. Once connected, users can make Skype calls and access key features such as presence, global user directory, contact lists and instant messages with the Skype software."