Tech Insights

PSTN

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What is PSTN?

PSTN stands for Public Switched Telephone Network. It is the traditional circuit-switched telephone network that has been in use for over a century. It is a global network of interconnected circuit-switched telephone networks that were originally based on analog technology but have since become largely digital. It's used for voice communication, fax, and data transmission via modems.

What other technologies are related to PSTN?

PSTN Competitor Technologies

ISDN provides digital telephony and data communication, serving as a direct competitor to PSTN by offering enhanced features.
mentioned alongside PSTN in 5% (173) of relevant job posts
SIP is a signaling protocol used for VoIP, which is an alternative to PSTN for voice communication.
mentioned alongside PSTN in 2% (496) of relevant job posts
VoIP is a technology that allows voice communication over the internet, directly competing with PSTN.
mentioned alongside PSTN in 1% (541) of relevant job posts
SIP Trunking provides voice connectivity over the internet, replacing traditional PSTN trunks.
mentioned alongside PSTN in 5% (78) of relevant job posts
H.323 is a VoIP protocol that serves as an alternative to PSTN for voice communication.
mentioned alongside PSTN in 2% (99) of relevant job posts
MGCP is a VoIP protocol that serves as an alternative to PSTN for voice communication.
mentioned alongside PSTN in 3% (67) of relevant job posts
Microsoft Teams offers VoIP calling features, competing with PSTN for voice communication.
mentioned alongside PSTN in 0% (265) of relevant job posts
WebEx offers VoIP calling features, competing with PSTN for voice communication.
mentioned alongside PSTN in 0% (53) of relevant job posts

PSTN Complementary Technologies

SBCs are used to control and secure VoIP traffic, which can be used to interconnect with PSTN.
mentioned alongside PSTN in 4% (104) of relevant job posts
PBX systems can be connected to the PSTN to provide internal telephone networks.
mentioned alongside PSTN in 2% (148) of relevant job posts
RTP is a protocol for delivering audio and video over IP networks, used in VoIP systems that may interface with PSTN.
mentioned alongside PSTN in 1% (94) of relevant job posts

Which organizations are mentioning PSTN?

Organization
Industry
Matching Teams
Matching People
PSTN
Microsoft
Scientific and Technical Services
PSTN
Five9
Scientific and Technical Services
PSTN
Cisco Systems
Scientific and Technical Services

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