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Analog connection to the Public Switched Telephone Network.

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13y ago

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What interface is an interface that uses graphics as compared to a command-driven interface?

Graphical User Interface


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.


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

True, dawg.


What is the need of having a GMSC in GSM network when there is an MSC?

A normal MSC will connect BSC to the PLMN/PSTN Network directly. Meaning to say it will need to do the call connections and management from BSC all the way to PLMN/PSTN network. Once the network expands, the MSC will face congestion and therefore a solution needed. GMSC - Gateway MSC, as the name implies, will in this case serve as an interconnection between MSC and PLMN/PSTN Network. Thus this free up the resources of the MSC itself need to perform all the originally tasks.


Is Iterator a class or Interface?

Its an interface.

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