Difference between revisions of "LCR Logic"

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(New page: Here simple LCR (Least Cost Routing) e.g. by price is explained in example: === Example == We have 2 providers A and B. Dialed destination is 921XXXXXXXXXX Provider A has such rates fo...)
 
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* 921 rate 0.2
* 921 rate 0.2


So LCR in MOR will group this providers in following order:
So LCR in MOR will group this providers in following order:


* Provider A with rate 0.1 (92)
* Provider A with rate 0.1 (92)
Line 30: Line 30:


In following schema LCR logic is presented in graphical way:
In following schema LCR logic is presented in graphical way:
[[Image:lcr_logic.png]]

Revision as of 19:34, 30 March 2009

Here simple LCR (Least Cost Routing) e.g. by price is explained in example:

= Example

We have 2 providers A and B.

Dialed destination is 921XXXXXXXXXX

Provider A has such rates for prefixes(destinations):

  • 92 rate 0.1

No other destination starts with 92

Provider B has such rates for prefixes:

  • 92 rate 0.05
  • 921 rate 0.2

So LCR in MOR will group this providers in following order:

  • Provider A with rate 0.1 (92)
  • Provider B with rate 0.2 (921)

It first dials through Provider A, if call fails, Provider B will be used to send the call.

If call is ANSWERED, BUSY or there's NO ANSWER - then call ends. And Provider B is not used.

It is used ONLY when call fails - CONGESTION.

In following schema LCR logic is presented in graphical way:

Lcr logic.png