Main portion of the advantages of the Asterisk server appears from it being an open source downloadable product. Most of the users, especially business people, can find it difficult to understand the idea behind this principle, or free software, but a business models behind open source are different and specific, as in case with Asterisk server.
NeuVoice is a service provided by NeuWorld Communications, inc. NeuWorld is headquartered in Tampa, FL, however NeuWorld maintains locations in Dallas, Cleveland (Akron) OH and Southern CA (Long Beach area).