PlaySMS may be your solution, 0.9.5-rc1 has a billing and rating module available.
Main project: http://playsms.sourceforge.net/ Mailling list: http://groups.yahoo.com/group/playsms-devel/ Other branch more dedicated to Kannel & Mbuni: http://playsms-km2.mediacom.nc/?lang=en 2010/9/11 Ayman Khalaf <ay...@iboon.net> > Hi All > > I just want to become SMS Provider and I still in began and can't stand a > big cost for shareware cause I'm living in low income country and most > software programing in high income country so I choose Kannel Gateway But I > still need Billing System and graphical interface that can my customer send > by it or by Http and SMPP and let me put differential prices for different > country and different network etc > > Could you advice me > > Thanks and waiting > >