POP3

PUK and PUK2

SIP

SSID

Streaming

UMTS

Post office protocol, version 3. A common mail protocol that can be used for accessing your remote mailbox.

PIN Unblocking Key. PUK and PUK2 codes are required to change a blocked PIN code or PIN2 code, respectively. The length of the code is 8 digits.

Session initiation protocol. SIP is used for creating, modifying, and terminating certain types of communication sessions with one or more participants.

Service set identifier. SSID is the name that identifies the specific WLAN.

Streaming audio and video files means playing them directly from the web without downloading them first to your device.

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.

 

UPUK

UPIN Unblocking Key. UPUK code is

 

 

required to change a blocked UPIN

 

 

code or PIN2 code. The length of the

 

 

code is 8 digits.

 

USIM

SIM card used in UMTS network.

 

USSD

A service request, such as request to

 

command

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.

 

Glossary

127

Page 127
Image 127
Nokia E51 manual 127