By bridging the gap between the technology designed for the PSTN (Public Switched Telephone ... RingCentral supports a hybrid-PBX deployment that allows internal dialing between employees using ...

Take a look at our guides to the different types of telephone systems you can choose, along with our in depth summaries about VoIP, SIP and PBX. We've also analysed what phone systems are suited to ...

PBX (private branch exchange) was revolutionary for its time. It was the diamond jewel of communications systems—the first-ever business phone system for routing and hosting both internal and external ...