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GPRS Tunnelling Protocol is the defining IP-based protocol of the GPRS core network. Primarily it is the protocol which allows end users of a GSM or WCDMA network to move from place to place while continuing to connect to the Internet as if from one location at the Gateway GPRS support node (GGSN).
The Nokia 3510 is a mobile phone for the GSM network, introduced by Nokia on 12 March 2002. The phone was the first Nokia phone to bring GPRS internet services to the mass market. It was also the first Nokia phone to ship with Beatnik 's miniBAE engine, allowing for playback of polyphonic ringtones.
The Radio Network Controller (RNC) is a governing element in the UMTS radio access network and is responsible for controlling the Node Bs that are connected to it. The RNC carries out radio resource management, some of the mobility management functions and is the point where encryption is done before user data is sent to and from the mobile.
The GPRS system is an integrated part of the GSM network switching subsystem. [7] [8] [9] GPRS is a best-effort service, implying variable throughput and latency that depend on the number of other users sharing the service concurrently, as opposed to circuit switching, where a certain quality of service (QoS) is
For example, the technical specification of Nokia N95 states a speed of DL/UL 177.6/118.4 kbit/s. In 2010, devices with DTM multislot class 32 such as Nokia N900 are available. A simultaneous voice and data call implies that a data call might start on an ongoing voice call or a voice call might start on an ongoing data call.
Nokia 108 released in 2013 is a Series 30+ based device with support for camera, video, and Bluetooth technology. Nokia 220 was released in 2014 with a 2.4-inch display and having Nokia Xpress browser and a GPRS data connection (2.5G). Nokia 225, released in 2014, is similar to the 220 but has a larger 2.8-inch display.
Few devices support HSCSD – the Nokia CardPhone 2.0 PC Card is one of them. High Speed Circuit Switched Data (HSCSD) is an enhancement to CSD designed to provide higher data rates by means of more efficient channel coding and/or multiple (up to 4) time slots. It requires the time slots being used to be fully reserved to a single user.
The Nokia 6600 fold is a mobile phone by Nokia.Announced on 28 January 2008. The phone runs the Series 40 platform. This is the fold or clamshell version of updated Nokia 6600 series. The device is sold in three color variants: blue, black and purple. [1]