Nokia E51 User Manual

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Nokia E51 User Manual Manual pdf 44 page image

GlossaryGlossary3G 3rd generation mobile communications. A digitalsystem for mobile communications which aims atglobal use and provides increased bandwidth. 3G letsa mobile device user access a wide variety of services,such as multimedia.Ad-hoc operatingmodeA WLAN network mode where two or more devicesconnect to each other using WLAN directly without aWLAN access point.Cookies Cookies are little pieces of information, given by theserver to you, to store information about your visits toa web site. When you accept cookies, the server is ableto evaluate your use of the web site, what you areinterested in, what you want to read, and so on.DNS Domain name service. An internet service thattranslates domain names such as www.nokia.com intoIP addresses such as 192.100.124.195. Domain namesare easier to remember but this translation is neededbecause the internet is based on IP addresses.EAP Extensible authentication protocol. EAP plug-ins areused in wireless networks to authenticate wirelessdevices and authentication servers.EGPRS Enhanced GPRS. EGPRS is similar to GPRS, but it enablesfaster connection. For more information on theavailability of EGPRS and data transfer speed, contactyour service provider.GPRS General packet radio service. GPRS enables wirelessaccess for mobile phones to data networks (networkservice). GPRS uses packet data technology whereinformation is sent in short bursts of data over themobile network. The benefit of sending data in packetsis that the network is occupied only when sending orreceiving data. As GPRS uses the network efficiently, itallows for quick data connection setup and fast datatransmission speeds.You must subscribe to the GPRS service. For availabilityand subscription to GPRS, contact your serviceprovider.During a voice call, you cannot establish a GPRSconnection, and any existing GPRS connection is put onhold unless the network supports dual transfer mode.GPS Global positioning system. GPS is a worldwide radionavigation system.HSDPA High-speed downlink packet access. HSDPA bringshigh-speed data delivery to 3G terminals, ensuring thatusers requiring effective multimedia capabilitiesbenefit from data rates previously unavailable becauseof limitations in the radio access network.HTTP Hypertext transfer protocol. A document transferprotocol used in the web.HTTPS HTTP over a secure connection.IMAP4 Internet mail access protocol, version 4. A protocolused for accessing your remote mailbox.Internet accesspointAn access point is where your device connects to anetwork. To use e-mail and multimedia services or toconnect to the internet and browse web pages, youmust first define internet access points for theseservices.Infrastructureoperating modeA WLAN network mode where devices are connected toWLAN using a WLAN access point.PIN Personal identity number. The PIN code protects yourdevice from unauthorised use. The PIN code is suppliedwith the SIM card. If the PIN code request is selected,the code is required each time the device is switchedon. The PIN code must be 4 to 8 digits long.PIN2 The PIN2 code is supplied with some SIM cards. ThePIN2 code is required to access certain functionssupported by the SIM card. The length of the PIN2 codeis 4 to 8 digits.POP3 Post office protocol, version 3. A common mail protocolthat can be used for accessing your remote mailbox.PUK and PUK2 PIN Unblocking Key. PUK and PUK2 codes are requiredto change a blocked PIN code or PIN2 code,respectively. The length of the code is 8 digits.SIP Session initiation protocol. SIP is used for creating,modifying, and terminating certain types ofcommunication sessions with one or moreparticipants.SSID Service set identifier. SSID is the name that identifiesthe specific WLAN.Streaming Streaming audio and video files means playing themdirectly from the web without downloading them firstto your device.UMTS Universal mobile telecommunications system. UMTS isa 3G mobile communication system. Besides voice anddata, UMTS enables audio and video delivery towireless devices.When you use your device in GSM and UMTS networks,multiple data connections can be active at the sametime, and access points can share a data connection. Inthe UMTS network, data connections remain activeduring voice calls. You can, for example, browse theweb faster than previously possible whilesimultaneously speaking on the phone.UPIN PIN code used in UMTS network.UPUK UPIN Unblocking Key. UPUK code is required to changea blocked UPIN code or PIN2 code. The length of thecode is 8 digits.USIM SIM card used in UMTS network.USSD command A service request, such as request to activate anapplication or configure various settings remotely,that you can send to your operator or service providerwith your device.VoIP Voice over internet protocol technology. VoIP is a setof protocols that facilitate phone calls over an IPnetwork, such as the internet.VPN Virtual private network. VPN creates a secureconnection to compatible corporate intranet andservices, such as e-mail.WAP Wireless application protocol. WAP is an internationalstandard for wireless communication.WEP Wired equivalent privacy. WEP is an encryption methodthat encrypts data before it is transmitted in WLAN.WLAN Wireless local area network.WPA Wi-Fi Protected Access. Security method for WLAN.WPA2 Wi-Fi Protected Access 2. Security method for WLAN.44