Dns; Configuring The Internal Dns Table - AudioCodes Mediant 3000 User Manual

13.7

DNS

You can use the device's embedded domain name server (DNS) or an external, third-party
DNS to translate domain names into IP addresses. This is useful if domain names are used
as the destination in call routing. The device supports the configuration of the following
DNS types:

Internal DNS table - see ''Configuring the Internal DNS Table'' on page 160

Internal SRV table - see ''Configuring the Internal SRV Table'' on page 161

13.7.1 Configuring the Internal DNS Table

The Internal DNS table, similar to a DNS resolution, translates up to 20 host (domain)
names into IP addresses. This functionality can be used when a domain name (FQDN) is
configured as an IP destination in a routing rule. Up to three different IP addresses can be
assigned to the same host name. This is typically used for alternative Tel-to-IP call routing.
Note: The device initially attempts to resolve a domain name using the Internal DNS
table. If the domain name is not configured in the table, the device performs a DNS
resolution using an external DNS server for the related IP network interface (see
''Configuring IP Network Interfaces'' on page 145).
The following procedure describes how to configure the DNS table through the Web
interface. You can also configure it through ini file (DNS2IP).

To configure the internal DNS table:
1. Open the Internal DNS table (Configuration tab > VoIP menu > Network > DNS >
Internal DNS Table).
2. Click Add; the following dialog box appears:
Figure 13-5: Internal DNS Table - Add Row Dialog Box
3. Configure the DNS rule, as required. For a description of the parameters, see the
table below.
4. Click Add; the DNS rule is added to the table.
User's Manual 160
Mediant 3000
Document #: LTRT-89730