A telephone network is a telecommunications network used for telephone calls between two or more parties. ... A landline network where the telephones must be directly wired into a single telephone exchange. This is known as the public switched telephone network or PSTN.
The Four Main Types of Phone System Explained
- Key Systems Unit (KSU)
- Private Branch Exchange Systems (PBX)
- Voice Over Internet Protocol Systems (VoIP)
- Hosted VoIP.
What Are the Different Types of Business Phone Line Services?
- PSTN Copper Lines. PSTN (Public Switched Telephone Network) is also often referred to as POTS or Plain Old Telephone System. ...
- ISDN2 Digital Lines. ISDN2 is digital network technology that can carry voice and data services in a digital format over PSTN lines. ...
- ISDN 10-20-30 Digital Lines. ...
- Business VoIP SIP Trunks.