oFono: Free Software, Open Source, GSM, Universal Mobile Telecommunications System - Brossura

 
9786132076212: oFono: Free Software, Open Source, GSM, Universal Mobile Telecommunications System

Sinossi

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. oFono is a free, open source project for mobile telephony (GSM/UMTS) applications. It uses high-level D-Bus API for use by telephony applications. It uses 3GPP standard. It is free software released under the terms of the GNU General Public License v2. The GNU General Public License (GNU GPL or simply GPL) is the most widely used free software license, originally written by Richard Stallman for the GNU project. The GPL is the first and foremost copyleft license, which means that derived works can only be distributed under the same license terms. Under this philosophy, the GPL grants the recipients of a computer program the rights of the free software definition and uses copyleft to ensure the freedoms are preserved, even when the work is changed or added to. This is in distinction to permissive free software licenses, of which the BSD licenses are the standard examples.

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