As with anyone looking to purchase support and consultancy, one should do a search on the advertiser to see how much support they have provided on these forums and the quality of the support provided before parting with any money.
http://forum.asterisk2billing.org/memberlist.php?mode=viewprofile&u=4334In this case, there are not many posts to look at, here is an example:-
http://forum.asterisk2billing.org/viewtopic.php?f=14&t=3091&p=29789#p29789Yours
Joe Roper
Commercial Director
www.star2billing.com, Authors of A2Billing, and CDR-Stats.