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Telecom Glossary S4
State Tax
A collection of tax types that each state is allowed
to charge. Tax jurisdiction (which state can charge
tax for a call) is based on the two-out-of-three rule:
where it originates, where it terminates, where it is
being billed to - if two match, that state can charge
the tax.
Subscriber Line Charge (SLC)
A monthly fee paid by telephone subscribers that is
used to compensate the local telephone company for part
of the cost of installation and maintenance of
the telephone wire, poles and other facilities that link
your home to the telephone network. These wires, poles
and other facilities are referred to as the "local loop."
The SLC is one component of access charges.
Surcharge
An additional charge on top of a base rate for a specified
reason.
Switch
A device (like a DMS-250 or a PBX) that responds to
originator signals and dynamically connects the caller
to the desired communication destination.