Accessing BlackBerry Data Services Using Wi-Fi Networks

The BlackBerry® 8820 smartphone allows BlackBerry smartphone users with qualifying data plans to access BlackBerry data services using a wireless network, a Wi-Fi® network, or both networks simultaneously. All BlackBerry data services are available through Wi-Fi networks. • BlackBerry® Enterprise Server • BlackBerry® Mobile Data System (MDS) • BlackBerry® Internet Service • BlackBerry® Messenger • Personal identification number (PIN) messaging • Other data services – instant messaging, etc Having the option to simultaneously access both a wireless network and a Wi-Fi network allows BlackBerry smartphone users to do multiple tasks at once. For example, a BlackBerry 8820 smartphone user can send email messages using a Wi-Fi network, while conducting a phone call using the wireless network.

A Wi-Fi enabled BlackBerry smartphone can access BlackBerry data services using Wi-Fi networks in two ways. 1. Access via enterprise Wi-Fi networks • Allows for optimized Wi-Fi access to the BlackBerry Enterprise Server when connected to a Wi-Fi network that allows direct IP access to the BlackBerry Router • Direct IP access usually only occurs when the BlackBerry smartphone is connected on an enterprise Wi-Fi network. • Wi-Fi access to the BlackBerry Internet Service and additional services is also possible with the proper network configuration. See the Quick guide to service availability section below for more details. 2. Access via hotspot or home Wi-Fi network • Allows for access to all provisioned BlackBerry data services via the BlackBerry® Infrastructure • Proper network configuration is necessary. However, in most cases, the default network configuration is the proper configuration. See the Network configuration section below for details.

Each BlackBerry data service connects to the BlackBerry Router or BlackBerry Infrastructure via the best possible connection or combination of available connections in the order listed below. This assumes that all routes to the BlackBerry Router and the Internet are available when connected to the Wi-Fi network.

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