Chapter 10 Principle of Operation
10.3 Terminology
10-9
10.3 Terminology
â– Line Types
z PSTN (Public Switched Telephone Network): Analog telephone network.
If there is no switch on site, set the line type to PSTN.
z PBX (Private Branch Exchange): On-site switch that connects multiple analog telephones to a single
line to establish an in-house phone system.
If there is a switch on site, set the line type to PBX.
â– Dial Types
z Tone (Push) Dial/Pulse Dial (10PPS)/Pulse Dial (20PPS): Refer to "10.2 Telephone Call Connection
Mechanism".
PPS: Pulse Per Second
â– Others
z Branch Connection: To connect multiple telephones to a single line in parallel. Telephones and
FAXes may not function properly in this configuration.