Transport selection for BlackBerry smartphone Social Networking and Instant Messaging applications

• Facebook® for BlackBerry® smartphones
• Twitter® for BlackBerry® smartphones
• MySpace® for BlackBerry® smartphones
• AOL® Instant Messenger™ for BlackBerry® smartphones
• BlackBerry® Messenger for BlackBerry smartphones
• Google Talk™ for BlackBerry® smartphones
• Windows Live™ Messenger for Blackberry® smartphones
• Yahoo!® Messenger for BlackBerry® smartphones
  

The following content provides an understanding of how social networking applications use different transport when a BlackBerry® smartphone user tries to access the application.

FaceBook® for BlackBerry® smartphones:

• Facebook for BlackBerry smartphones does not utilize Carrier APN (Access Point Name) transport.
• All Facebook connectivity traffic is routed through either the BlackBerry® Internet Service or BlackBerry® Enterprise Server Service based on availability of the required service books.
• Direct Wi-Fi® support allows users to stay fully connected on Facebook when in Wi-Fi only coverage.

Note: A browsing data plan is required to receive push notifications on Wi-Fi.

Twitter® for BlackBerry smartphones:

• Twitter for BlackBerry smartphones can login and authenticate using a Wi-Fi® connection, BlackBerry Internet Service, BlackBerry Mobile Data Service on a BlackBerry Enterprise Server, or using carrier APN. The login attempt will follow this order when searching for a connection.
• The preferred best cost route that Twitter for BlackBerry smartphone follows is Wi-Fi connection, BlackBerry Internet Service /  Mobile Data Service on a BlackBerry Enterprise Server, and carrier APN network last.

MySpace® for BlackBerry smartphones:

• MySpace for BlackBerry smartphones requires an active BlackBerry Internet Service / or BlackBerry Enterprise Server connection configured on the BlackBerry smartphone to initiate.
• MySpace application will make use of BlackBerry Internet Service (BIS) transport first, If BIS is not available for use on the BlackBerry smartphone, the application will then attempt to use the BlackBerry Enterprise Server service connection (if available).
• If all above attempts failed, the connection to MySpace cannot be made.

Note: There is no direct Wi-Fi and cellular APN used by MySpace for BlackBerry smartphones.

Instant Messaging applications for BlackBerry smartphones

AOL® Instant Messenger™, BlackBerry® Messenger, Google Talk™, Windows Live™ Messenger and Yahoo! Messenger, used the following two methods of communication.

• BlackBerry Infrastructure over Wi-Fi access
• Cellular access to BlackBerry Infrastructure