Basic Call Services
PSTN Featured Services
AL-MEI
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
PSTN Network (Public Switch Telephone Network)
Public Switched Telephone NetworkPublic Switched Telephone NetworkPublic Switched Telephone NetworkPublic Switched Telephone Network
PSTN Network (Public Switch Telephone Network)
Regional central offices connecting central offices from different regions Analog and digital connections
Telephones can able to communicate with other telephones through Public Switched Telephone Network, which transmit voice signal over circuit switching technology.
PSNT Public Switched Telephone Network
voice
much bandwidth is used
Analog connection to the Public Switched Telephone Network.
The public data network code Zone code Country code
local loop equipment