top of page

Public switched telephone network

PSTN

Digital/TEC definition
Tunstall in-house glossary
Tunstall

The 'traditional' telephone network that is now being replaced with IP based signalling systems. It is largely based on voice and DTMF/STMF signals.

Digital/TEC definition
TSA Commissioner/Buyer Guidance (Nov 2021)
TEC Services Association

Public Switched Telephone Network - this term is used to either describe the entire analogue telephony network in the UK or a specific analogue telephone line connected to a property.

Use instead of
Consider using instead
See also
Parent of
Child of
bottom of page