What does PSTN stand for?

PSTN stands for "Public Switched Telephone Network"

How to abbreviate "Public Switched Telephone Network"?

"Public Switched Telephone Network" can be abbreviated as PSTN

What is the meaning of PSTN abbreviation?

The meaning of PSTN abbreviation is "Public Switched Telephone Network"

What does PSTN mean?

PSTN as abbreviation means "Public Switched Telephone Network"