What is a Telnet Server?

Is a Telnet server used to allow a computer that is not directly connected to the network or is not in the network at all to connect to the network virtually? For example, if I had an insurance company and someone wanted to work from home, they would connect to the telnet server and it would act as if they were in... show more Is a Telnet server used to allow a computer that is not directly connected to the network or is not in the network at all to connect to the network virtually? For example, if I had an insurance company and someone wanted to work from home, they would connect to the telnet server and it would act as if they were in the building?
Update: *Is that right?
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