Hoe to built a VoIP LD Calling Center This topic has 0 replies, 1 voice, and was last updated 20 years, 7 months ago by Javier. Viewing 1 post (of 1 total) Author Posts 7th July 2002 at 05:23 #21838 JavierGuest I’m thinking of build a VoIP based LD Calling Center. Please teach/recommend me about how to build it, specificaly about: a) Equipment needed b) Software needed (mainly to control outbound calls). Any useful URL/document will be welcome. Thanks Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.