Quintum Tenor VoIP MultiPath Switch DX2030 allows you to reap benefits from the technology of IP-telephony (VoIP). One Tenor DX2030 solution integrates a gateway, a gatekeeper, and intelligent call routing technology, and supports quality of service (QoS).
Orpheum offers its iVoice (SIP trunking) and hPBX (Hosted/Virtual PBX) services exclusively to businesses in the USA and Canada. Both services start at $25 per month.