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ISDN-based "Leased Line" services
In the older Telstra Microlink or Macrolink ISDN product, one or
more B channels may be dedicated as a "leased line" (or "nailed
up") point-to-point circuit or service (SPC). These services are
(were?) very commonly used to interconnect routers in the Internet.
Such links are called "semi permanent" because they are not a
"fixed" physical link within the ISDN network but a permanent call
set up by the ISDN terminal equipment.
In its more recent OnRamp products, Telstra currently offers its
OnRamp
Xpress service. This is similar to a SPC, but charging
is significantly more complicated! OnRamp Xpress charging is based
on the idea of a monthly capped charge.
Example:
A business purchases an OnRamp Xpress service to connect
permanently to an ISP, or perhaps to another local business:
| On Ramp 2 |
$50 per month |
| Xpress 1 Plan Fee |
$90 per month |
| Xpress 1 limited cap |
$135 per month |
| Total Xpress charges |
$275 per month |
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