BB10 devices are not supported in the current release of Notes Traveler versions 8.5.3 Upgrade Pack 2 and lower. Support for BB10 devices is planned for the Notes Traveler 9 release scheduled for availability in March 2013.
You can sign up for the Beta trial of Version 9 of Traveler here ----->
http://www-10.lotus.com/ldd/ndsebeta...257AD3004AF0EE