It think it depends on your situation. Are you wanting to do PC based calling? Do you want an inbound number? What kind of Internet connection do you have? Do you do international, domestic, or local calling?
- Axvoice Featured Broadband VoIP service provider (SIP, IAX)
- SunRocket Featured SunRocket, it brings Internet Phone Service
- ViaTalk Featured Popular Broadband VoIP - BYOD allowed
- ZingoTel Featured Business and residential VOIP Broadband phone service company
- Broadband VoIP service provider. (Nuvio reseller)
- A2ZGlobalcall Broadband / PC to Phone VoIP service provider
- AccessOne Broadband VoIP service provider
- ACN Digital Phone Service Popular
- Broadband Phone VoIP service
- Adwell Communications
- AICO Broadband / PC to Phone VoIP service provider (H.323)
- Broadcore VoIP PBX broadband VoIP T1 , providing you with advanced features offered by just a few high-end PBXs.
We have our office in south California and installed Broadcore VoIP PBX system. It’s a relatively new company. The best thing I liked about them is their support and services. It’s quite satisfactory till date.