How is Enterprise telephony harmonious save opposed than PSTN?
here is the apology…
The Enterprise telephony uses packet switch mechanism to estabished a persuade and PSTN is public as Public Switched Telephone Netwrok that uses circuit switch mechanism to prove the junction.
Both systems works by setting up a dedicated channel also understand as a circuit between brace points control the space of the persuade. These telephony systems uses copper wires as a medium of carrying analog say grounds balance the dedicated circuits.