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Practical VoIP Using VOCAL by Luan Dang, Cullen Jennings, David Kelly

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Call Detail Record Servers

The Call Detail Record (CDR) server collects information from the Marshal servers indicating when calls start and their duration. If a third-party billing system has been installed into the system, the CDR server can send billing records to it in the Remote Authentication Dial-In User Service (RADIUS) format. The CDR server is discussed more thoroughly in Chapter 18.

Table 6-1 shows the provisioning tasks that can be performed with the CDR server.

Table 6-1. CDR server tasks

Task

Comments

Adding a CDR server group

CDR server groups are the first sublevel below cdrServers on the directory tree. In most systems, there is one CDR server group containing one or two servers.

Adding a CDR server

If a second CDR server is required, add it to the existing group. Most systems have two CDR servers mirrored for reliability.

Editing a CDR server

Select a server, edit the fields, and then click OK. Tables 6-7, 6-8, and 6-9 describe the fields.

Adding additional CDR servers

Systems that can process up to 50 calls per second do not require more than two CDR servers. Additional servers can be added as the system grows in size or if greater reliability is desired. Follow the instructions in "Adding New Servers.”

Deleting CDR servers

Select a server and click Delete.

Figure 6-2 shows the CDR server’s data entry fields.

Tables 6-2 through 6-4 describe the fields.

Table 6-2. CDR server data entry fields: CDR group

Field

Description

Host Name

The IP ...

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