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What wan is most reliable - dsl pstn isdn or sonet?

Updated: 8/20/2019
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Q: What wan is most reliable - dsl pstn isdn or sonet?
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Related questions

What is the difference between the facilities offered on a PSTN and the ISDN?

ISDN is dial up lines and PSTN is a broadband line.


What is the difference between ip isdn pstn in computers?

What is difference between public ip and isdn


The difference between PSTN and ISDN in hsdpa?

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.


Which ISDN applications are enhancements of existing PSTN services?

Videoconferencing. Video telephony Fax services


Dial-up ISDN does not convert a computers digital signals to analog before transmitting them over the PSTN?

True


Dial-up ISDN does not convert a computer's digital signals to analog before transmitting them over the PSTN?

True, dawg.


What types of hardware can be used to create connections using the New connection wizard?

pstn, isdn, cable modem, hub, direct cable connection


What is pstn network how it works is it reliable source of communication?

NO PSTN NETWORKS ARE NOT RELIABLE. The PSTN is he telephone network that links the world together. The 1st answer has some truth to it, but most of the time (except in the case of fios of other fiber services) you do use the PSTN (Public Switched Telephone Network) to connect to the internet as is in the case of dial up and dsl. However the internet is partly a pstn network and when is the last time the entire internet went down, all across the world. The internet is the worlds most reliable network, and the largest. How the PTSN works, is a whole book (or two) in its own, being compromised of millions, possibly billions of miles of cable and many various satellite, radio, and cable networks within its self. The electrical grid is much less reliable since outages happen several times a year while I've only had mabye 1 phone outage in my life.


What is a difference between pstn and isdn?

PSTN is Public-Switched Telephone Network ISDN is Integrated Services Digital Network. PSTN is followed by ISDN, chronologically. <p><p> The difference between PSTN (Public-Switched Telephone Network) and ISDN (Integrated Services Digital Network: First, they must be explained, and in chronological dating, these technologies can be understood: *Some PSTN History: The PSTN was the earliest example of traffic engineering to deliver Quality of Service (QoS) guarantees. A.K. Erlang (1878-1929) is credited with establishing the mathematical foundations of methods required to determine the amount and configuration of equipment and the number of personnel required to deliver a specific level of service. PSTN: In the 1970s the telecommunications industry conceived that digital services would follow much the same pattern as voice services, and conceived a vision of end-to-end circuit switched services, known as the Broadband Integrated Services Digital Network (B-ISDN). The B-ISDN vision has been overtaken by the disruptive technology of the Internet. Only the oldest parts of the telephone network still use analog technology for anything other than the last mile loop to the end user, and in recent years digital services have been increasingly rolled out to end users using services such as DSL, ISDN, FTTP and cable modem systems. Many observers believe that the long term future of the PSTN is to be just one application of the Internet - however, the Internet has some way to go before this transition can be made. The QoS guarantee is one aspect that needs to be improved in the Voice over Internet Protocol (VoIP) technology. There are a number of large private telephone networks which are not linked to the PSTN, usually for military purposes. There are also private networks run by large companies which are linked to the PSTN only through limited gateways, like a large private branch exchange (PBX). ISDN Integrated Services Digital Network (, originally "Integriertes Sprach- und Datennetz" (German for "Integrated Speech and Data Net"), is a circuit-switched telephone network system, designed to allow digital transmission of voice and data over ordinary telephone copper wires, resulting in better voice quality than an analog phone. It offers circuit-switched connections (for either voice or data) in increments of 64 kbit/s. One of the major use cases is Internet access, where ISDN typically provides a maximum of 128 kbit/s. More broadly, ISDN is a set of protocols for establishing and breaking circuit switched connections, and for advanced call features for the user. It was introduced in the late 1980's.[1] In a videoconference, ISDN provides simultaneous voice, video, and text transmission between individual desktop videoconferencing systems and group (room) videoconferencing systems. [edit] ISDN elements * Integrated Services refers to ISDN's ability to deliver at minimum two simultaneous connections, in any combination of data, voice, video, and fax, over a single line. Multiple devices can be attached to the line, and used as needed. That means an ISDN line can take care of most people's complete communications needs at a much higher transmission rate, without forcing the purchase of multiple analog phone lines. * Digital refers to its purely digital transmission, as opposed to the analog transmission of plain old telephone service (POTS). Use of an analog telephone modem for Internet access requires that the Internet service provider's (ISP) modem converts the digital content to analog signals before sending it and the user's modem then converts those signals back to digital when receiving. When connecting with ISDN there is no analog conversion. * Network refers to the fact that ISDN is not simply a point-to-point solution like a leased line. ISDN networks extend from the local telephone exchange to the remote user and includes all of the telecommunications and switching equipment in between. The purpose of the ISDN is to provide fully integrated digital services to the users. These services fall under three categories: bearer services, supplementary services and tele-services.


What is the difference between cellular telephones and cordless telephones?

Cellular Telephones is using the Integrated Services Digital Network ISDN while the Cordless Telephone is using the Public Switched Telephone Network PSTN, same with ordinary telephone.


What element of the PSTN is most likely capable of transmitting only analog signals?

The local loop is the part of the PSTN most likely to still use copper wire and carry analog signals.


Is small business VoIP service reliable?

It is reliable for any business. However reliability factor cannot be guaranteed as high as typical PSTN (telephone network. But reliability factor depends on who the provider is and how is implemented.