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pstn is for wired network plmn is for mobile network
Nj
The difference: With PSTN, the voice is transmitted through the network of cables. While with VoIP is transmitted through the internet. This is the main difference between the two communication systems.
PSTN Network (Public Switch Telephone Network)
PSTN Network (Public Switch Telephone Network)
PSTN stands for a public switched telephone network. A PSTN gateway is hardware components that third parties use to translate signaling.
Since the basic PSTN (plain old telephone network) network link supports 64 Kbps bandwidth, I would say that is your answer.
PSTN
Public Switched Telephony Network
PSTN stands for Public switched telephone network PSDN stands for Public switched Data network / Packet Switched Data Network. The basic difference between two is the switching technique used. PSTN uses Circuit Switching and PSDN uses Packet Switching
Analog connection to the Public Switched Telephone Network.
WHAT IS THE DIFFERENCE BETWEEN ISDN AND PSTN ? The PSTN is the Public Switched Telephone Network and is therefore a service provided by a telecommunications company. The ISDN is the Integrated Services Digital Network and is a technology, providing digital end to end connectivity. However, calls originating from an ISDN site, will transverse the PSTN in order to be received by the called party. The call received by the called party, may be digital, if they also have ISDN service, or the call may be converted by the central office to meet the technology being used by the receiving party.