What is gsm?

GSM

GSM (Global System for Mobile Communications, originally Groupe Spécial Mobile), is a standard set developed by the European Telecommunications Standards Institute (ETSI) to describe protocols for second generation (2G) digital cellular networks used by mobile phones.

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Some articles on gsm:

SGSM
... Secure GSM, a wireless product, is based on Global System for Mobile communications (GSM) originally from Groupe Spécial Mobile ... GSM is a standard for mobile phones in the world ... Its promoter, the GSM Association, estimates that 82% of the global mobile market uses the standard ...
GSM Open-source Software - Issues With Patents and Open Source
... remain a problem for any open-source GSM implementation, because it is not possible for GNU or any other free software distributor to guarantee immunity from all lawsuits by the patent ... The original GSM implementations from 1991 may now be entirely free of patent encumbrances, however patent freedom is not certain due to the US "first to invent" system that was in place ... no law suits against users of OpenBTS over GSM use ...
List Of Hills In The Lake District - North Western Fells - Braithwaite To Buttermere
... GSM-1 Grasmoor 519 ... NY174203 GSM-2 Crag Hill 117 ... NY192203 GSM-3 Sail 32 ... NY198202 GSM-4 Wandope 30 ... NY188197 GSM-5 Scar Crags 55 ... NY208206 GSM-6 ...
Thatha Shamsa - Telephone Networks
... Telecommunication Company (PTCL) Pakistan Telenor GSM Paktel GSM Pakistan Mobilink GSM Pakistan Pakistan Warid GSM Company ...
LAPDm
... LAPDm is a data link layer protocol used in GSM cellular networks ... no more than one outstanding unacknowledged I-frame (GSM 04.06 Sections 5.8.4 and 6) ... LAPDm does not support extended header formats (GSM 04.06 Section 3) ...