About. Doge is a slang term for â dog â that is primarily associated with pictures of Shiba Inus (nicknamed âShibeâ) and internal monologue captions on Tumblr.
PSTN (Public Switched Telephone Network) The Public Switched Telephone Network (PSTN) is the global collection of interconnects originally designed to support circuit-switched voice communication. The PSTN provides traditional Plain Old Telephone Service (POTS) - also known as landline phone service - to residences and many other establishments.
No dialtone: the end of the public switched telephone network The PSTN consists primarily of fiber optic cable and copper cable that connects switching centers with each other and to remote terminals.