GPRS roaming the GRX way

Lewis, John
February 2003
Telecommunications - International Edition;Feb2003, Vol. 37 Issue 2, p32
Trade Publication
Discusses the General Packet Radio Service (GPRS) Roaming Exchanges (GRX), dedicated carrier networks that interconnect the national mobile networks of different operators who have formed roaming agreements with each other to exchange data traffic. Differences between GRX and Global System for Mobile Communication (GSM); Competition among GRX providers; Quality and scalability of the GRX.


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