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Data connections and access points
Your device supports packet data connections (network service), such as GPRS in
the GSM network. When you use your device in GSM and 3G networks, multiple data
connections can be active at the same time, and access points can share a data
connection. In the 3G network, data connections remain active during voice calls.
You can also use a WLAN data connection. Only one connection in one wireless LAN
can be active at a time, but several applications can use the same internet access
point.
To establish a data connection, an access point is required. You can define different
kinds of access points, such as the following:
• MMS access point to send and receive multimedia messages
• Internet access point (IAP) to send and receive e-mail and connect to the
internet
Check the type of access point you need with your service provider for the service
you want to access. For availability and subscription to packet data connection
services, contact your service provider.
Network settings
Select Menu > Settings and Connectivity > Network.
Your device can automatically switch between GSM and UMTS networks. GSM
networks are indicated with
. UMTS networks are indicated with .
Select from the following:
Network mode — Select which network to use. If you select Dual mode, the device
uses the GSM or UMTS network automatically, according to the network parameters
and the roaming agreements between the wireless service providers. For details
and roaming costs, contact your network service provider. This option is shown only
if supported by the wireless service provider.
116 Connectivity