
Chapter 2
Dial Services Overview
A dial service provides access to a central switched network for remote users,
such as people in branch offices, telecommuters, and sales people in the field. To
make these remote connections, dial services use dial-up lines (also called
switched lines), which are activated only when needed.
If you send a limited amount of data or your data transmission is intermittent,
dial-up lines can be less expensive than leased lines, and they improve network
performance and flexibility.
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