Virgin Mobile 2200 manual

●●SIM — Subscriber Identification Module. Found in GSM network technology, the SIM is a card containing identification information for the subscriber and their account. The SIM card can be moved to different devices.

●●SMS — Short Message Service. A service for sending short messages of up to 160 (224 in 5-bit mode) characters to mobile devices. SMS is also known as text messaging.

●●SMTP — Simple Mail Transfer Protocol. An Internet standard for email transmission across IP networks.

●●SSID — Service Set IDentifier. The name assigned to a Wi-Fi network.

●●TCP — Transmission Control Protocol. A core protocol for transmitting and receiving information over the Internet.

●●TCP/IP — Transmission Control Protocol/Internet Protocol. The set of communications protocols used for the Internet and other similar networks.

●●Telnet — Telecommunication Network. A network protocol used on the Internet or on local area networks.

●●TFTP — Trivial File Transfer Protocol. A file transfer protocol with a subset of FTP functionality.

●●UA — User Agent. Any device or software used to access a web page. A user agent might be a web browser, a smart phone, or a screen reader.

●●UDP — User Datagram Protocol. A simple transport protocol used to transfer information on the Internet.

●●UI —­ User Interface. The part of a software application or hardware device that a user sees and interacts with.

●●UMTS — Universal Mobile Telecommunications Service. A third-generation broadband, packet-based transmission of text, digitized voice, video and multimedia at data rates up to 2 Mbps. UMTS offers

a consistent set of services to mobile users all over the world. UMTS is based on the GSM standard. Until UMTS is fully implemented, users can use multi-mode devices that switch to currently available technology.

●●USB — Universal Serial Bus. A connection type for computing device peripherals such as a printer, mobile modem, etc. USB connectors may be used for data transfer or charging.

●●USB Port Types — The USB ports on computers and hubs have a rectangular Type A socket, and peripheral devices have a cable with a Type A plug. Peripherals that do not have an attached cable have a square Type B socket on the device and a separate cable with a Type A and Type B plug. Ports and connectors are available in different sizes (for example, standard, mini, and micro).

●●USSD — Unstructured Supplementary Service Data. A service found in HSPA/GSM networks that allows the user to retrieve information or implement certain types of call services.

●●VNC — Virtual Network Computing. A graphical desktop sharing system that uses the RFB protocol to remotely control another computer.

●●VPN — Virtual Private Network. A secure private network that runs over the public Internet. Commonly used to connect to an office network from elsewhere.

●●VPN Passthrough — A feature that allows a client to connect to a VPN server.

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