If you're seeking a fast, reliable, and scalable hosted PBX for your organization, look no further. I am the owner and operator of SIPtopia, a rock-solid virtual PBX hosting provider. We use Google's Compute and VPC platforms to ensure fault-tolerant, low-latency connections to your SIP peers. We also work closely with SIP trunking carriers to deliver the best possible voice service to your PBX. Virtual PBXes start at $40/mo. and can be custom-tailored to your organizational needs.