A Public Switched Telephone Network (PSTN) offers basic security through traditional measures such as circuit-switching and limited access control, which make it difficult for unauthorized users to tap into calls. However, the security of PSTN is generally considered weaker compared to modern digital communication systems, as it is vulnerable to interception and eavesdropping. Additionally, PSTN lacks encryption by default, making it susceptible to various forms of attacks. Overall, while it provides some level of security, it is not sufficient for highly sensitive communications.
Public Switched Telephone NetworkPublic Switched Telephone NetworkPublic Switched Telephone NetworkPublic Switched Telephone Network
how we use Public switched telephone networks to carry all our digital contents
PSNT Public Switched Telephone Network
much bandwidth is used
Analog connection to the Public Switched Telephone Network.
its rubbish
Telephone mainlines are telephone lines connecting a customer's equipment to the public switched telephone network.
All phones.
http://wiki.answers.com/Q/How_is_the_data_and_imformation_transimited_over_public_telephone_network,public switched telephone networks and intergrated service digital networks.
Analog switches Fiber optic cables
Analog Switches Fiber Optic Cables
Analog Switches Fiber Optic Cables