Cruising on a ship, which offers a velimo guest service portal? If the cruise ship supports the Velimo Phone service for crew members, you can connect your own phone with the ships telephone system. You can place calls to on board facilities or other crew members as well as receive calls from other crew members. Depending on the cruise ship, you will get a personal on board phone number or your your smartphone will be connected with the number of your cabin phone. To use the Velimo Phone service you need to connect to the ships crew wifi and register for the service.