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PIN2 The PIN2 code is supplied with some SIM cards. The PIN2 code is required to access certain
functions supported by the SIM card. The length of the PIN2 code is 4 to 8 digits.
POP3 Post office protocol, version 3. A common mail protocol that can be used for accessing your
remote mailbox.
SIP Session initiation protocol. SIP is used for creating, modifying, and terminating certain types
of communication sessions with one or more participants.
SSID Service set identifier. SSID is the name that identifies the specific wireless LAN.
Streaming Streaming audio and video files means playing them directly from the web without
downloading them first to your device.
UMTS Universal mobile telecommunications system. UMTS is a 3G mobile communication system.
Besides voice and data, UMTS enables audio and video delivery to wireless devices.
When you use your device in GSM and UMTS networks, multiple data connections can be active
at the same time, and access points can share a data connection. In the UMTS network, data
connections remain active during voice calls. You can, for example, browse the web faster
than previously possible while simultaneously speaking on the phone.
UPIN PIN code used in UMTS network.
USIM SIM card used in UMTS network.
USSD command A service request, such as request to activate an application or configure various settings
remotely, that you can send to your operator or service provider with your device.
VoIP Voice over internet protocol technology. VoIP is a set of protocols that facilitate phone calls
over an IP network, such as the internet.
VPN Virtual private network. VPN creates a secure connection to compatible corporate intranet
and services, such as e-mail.
WAP Wireless application protocol. WAP is an international standard for wireless communication.
WEP Wired equivalent privacy. WEP is an encryption method that encrypts data before it is
transmitted in WLAN.
WLAN Wireless local area network. A wireless LAN connection is established when you create a data
connection using a wireless LAN internet access point. The active wireless LAN connection is
ended when you end the data connection.
If you move the device to another location within the wireless LAN and out of range of a
wireless LAN access point, the roaming functionality can automatically connect your device
to another access point that belongs to the same network. As long as you remain within range
of access points that belong to the same network, your device can stay connected to the
network.
WPA Wi-Fi Protected Access. Security method for WLAN.
WPA2 Wi-Fi Protected Access 2. Security method for WLAN.
G l o s s a r y
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