Thanks for the info Roland! Selctsys, I've never used any IP telephony product onboard a cruise ship. However, at just 48 kbps, I doubt this would even be an option. If the connection is too slow for basic web surfing, then it's way too slow for any kind of voice over IP connection!
Voyager of the Seas: October 2004
Adventure of the Seas: December 2006
Anthem of the Seas: October 2016