PSTNn
PSTNn is a hypothetical concept representing a future evolution or variation of the Public Switched Telephone Network (PSTN). The PSTN, in its current form, is a global network of circuit-switched telephones that has been the backbone of traditional voice communication for decades. It uses a complex system of copper wires, fiber optic cables, and switching centers to connect calls.
The 'n' in PSTNn could signify numerous potential advancements or adaptations. It might represent a more integrated
Alternatively, PSTNn might refer to a network that has undergone significant upgrades to incorporate next-generation technologies,