Opinion for PortaOne PortaBilling100 This topic has 1 reply, 1 voice, and was last updated 20 years, 4 months ago by Saleh. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 25th October 2004 at 01:18 #28282 JohnGuest can anyone give me some opinion about PortaOne PortaBilling100 as a prepaid calling card billing solution? Our company would like to use PortaBilling100 as the software solution. 25th October 2004 at 12:05 #28283 SalehGuest we are using PortaOne, its the BEST Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Voice over IP’ is closed to new topics and replies.