GSM Info

Global System for Mobile (GSM) encompases a set of second generation (2G) cellular standards for digitally encoding and transmitting voice over mobile telephony systems. GSM uses frequency, time, and space division multiplexing to conserve radio spectrum.

A key differentiator versus other 2G systems such as TDMA and CDMA is that GSM based systems include a Subscriber Identity Module (SIM), a smart card CPU that provides a globally unique subscriber ID allowing international roaming in 150+ countries.

Many GSM-based 2G and 2.5G handsets (mobile phones) also include a J2ME implementation, and as such are an important target for J2ME developers.

You can get Free Polyphonic Ringtones on the following handsets:

Nokia:

3100, 3200, 3300, 3510, 3510i, 3585, 3600, 3620, 3650, 3660, 5100, 6100, 6220, 6600, 6610, 6800, 7210, 7250, 7250i, 7650, Nokia N-Gage.

Sony Ericsson:

T230, T300, T310, T610, P800, P900, Z600.

Sharp:

GX1, GX10, GX10e, GX10g, GX10i, GX10q, GX13, GX15, GX20.

Siemens:

C55, M50, M55, MC60, S55, SL55.

Motorola:

T720/T720i, E365, V525, V600.

Panasonic:

GD60, GD60P, GD67, GD87, GD88, GD95

Samsung:

105, C100, A800, N600, N620, P400, Q100, S100, S200, S300, T100, V100, V200, V200c, E700, X700, X710.

Midi - A to Z

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MMF - A to Z

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Todays Mobile Phone Related Information:

What is a Smartphone? A generic name for voice centric mobile phones with information capability. The Ericsson R380 Smartphone is an example of such a Symbian OS phone.

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