Well, you shouldn't be having problems with Jamba (and other addons) communicating anymore as Blizzard hotfixed the new addon registration system away.

http://www.mmo-champion.com/content/...jin-Blue-Posts

User Interface
  • A bug was causing the addon chat filtering feature to not allow registered addon messages to come through. Addon chat filtering has been temporarily disabled and restored to 4.0.6 functionality.