Newbiw Question about ITSP

I am new to voip and wish to set up an ITSP. Can anyone point me in the right direction for the correct Asterisk product if there is one to host the ITSP.

There are number of things which need to take into account for such service. let me know your Email id & other contact details with location on my this mail id for such guidence
Email at -


Have a look at … plications for Prepaid Asterisk Billing systems.
A2Billing used to be included with Trixbox but I’m not sure if it still is.