90
V7122 GatewayUser Guide
Figure 31
Internal SRV Table Screen
2
In the ‘Domain Name’ field, enter the hostname to be translated. You can enter a string
up to 31 characters long.
3
From the 'Transport Type' drop-down list, select a transport type.
4
In the ‘DNS Name 1' field, enter the first DNS A-Record to which the hostname is
translated.
5
In the ‘Priority’, ‘Weight’ and ‘Port’ fields, enter the relevant values
6
Repeat steps 4 to 5, for the second and third DNS names, if required.
7
Repeat steps 2 to 6, for each Internal SRV Table entry.
8
Click the
Submit
button to save your changes.
9
To save the changes so they are available after a hardware reset or power fail, see
Saving Configuration
.
Reasons for Alternative Routing
The Reasons for Alternative Routing screen includes two tables (Tel
Æ
IP and IP
Æ
Tel). Each
table enables you to define up to 4 different release reasons. If a call is released as a result
of one of these reasons, the gateway tries to find an alternative route to that call. The release
reason for IP
Æ
Tel calls is provided in Q.931 notation. The release reason for Tel
Æ
IP calls is
provided in SIP 4xx, 5xx and 6xx response codes. For Tel
Æ
IP calls an alternative IP
address, for IP
Æ
Tel calls an alternative trunk group.
See
Table 24
for information on defining an alternative IP address. See the
Table 25
for
information on defining an alternative trunk group.
You can use this table for example:
For
Tel
Æ
IP calls, when there is no response to an INVITE message (after INVITE
retransmissions), and the gateway then issues an internal 408 ‘No Response’ implicit
release reason.
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