London:
Phone: +44-20-7193-7490
Fax: +44-20-8497-7029
New York:
Phone: +1-212-431-3476
Fax: +1-212-414-2527
e-mail:
GSM Systems supports growth of mobile telephony in the developing world through the United Nations Digital Solidarity initiative.
For more information download this PDF
economist.pdf
or visit this link.