Configuring Lcr; Configuring Cost Groups - AudioCodes Mediant 1000B User Manual

Media gateway & enterprise session border controller (e-sbc)

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Example 3: This example shows how the cost of a call is calculated if the call spans

over multiple time bands:

Assume a Cost Group, "CG Local" is configured with two time bands, as shown below:

Assume that the call duration is 10 minutes, occurring between 16:55 and 17:05. In

other words, the first 5 minutes occurs in time band "TB1" and the next 5 minutes

occurs in "TB2", as shown below:

The device calculates the call using the time band in which the call was initially

established, regardless of whether the call spans over additional time bands:

Total call cost = "TB1" Connection Cost + ("TB1" Minute Cost x call duration) = 2 + 1

x 10 min = 12

15.4.2 Configuring LCR

To configure LCR, perform the following main steps:

Enable LCR - see Configuring a Gateway Routing Policy Rule on page 499 (for

Gateway) and Configuring SBC Routing Policy Rules on page 656 (for SBC).

Configure Cost Groups - see 'Configuring Cost Groups' on page 261.

Configure Time Bands for a Cost Group - see 'Configuring Time Bands for Cost

Groups' on page 262.

Assign Cost Groups to outbound IP routing rules - see 'Assigning Cost Groups to

Routing Rules' on page 264.

The Cost Group table lets you configure Cost Groups. A Cost Group defines a fixed call

connection cost and a call rate (charge per minute). Once configured, you can configure

Time Bands per Cost Group. Up to 10 Cost Groups can be configured.

The following procedure describes how to configure Cost Groups through the Web

interface. You can also configure it through ini file (CostGroupTable) or CLI (configure voip

> services least-cost-routing cost-group).

Index 4 - Cost Group "B" is only second-matched rule (Index 1 is the first)

Figure 15-33: LCR using Multiple Time Bands (Example)

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