How is Enterprise telephony harmonious save unanalogous than PSTN?
here is the rejoinder…
The Enterprise telephony uses packet switch mechanism to estabished a circumvent and PSTN is apprehendn as Public Switched Telephone Netwrok that uses circuit switch mechanism to plant the relation.
Both systems works by elucidation up a dedicated channel also apprehend as a circuit between brace points for the space of the circumvent. These telephony systems uses copper wires as a medium of carrying analog signification grounds balance the dedicated circuits.