type	tarrif	cost
0	0	0.1 (fixed)		#  SMS - fixed price
1	1	0.5 (per minute)	#  Voice Call Domestic
1	2	1 (per minute)		#  Voice Call Int. 
2	1	0.2 (per minute)	#  Data Call Domestic
2	2	0.5 (per minute)	#  Data Call Int.