The service provides the information regarding the incoming SMS, voice or email messages. At the moment when the message comes, the telephone plays a signal. The system also allows setting filters, thus, allowing you to choose, which messages to inform you about and which to ignore.
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.