AudioCodes MediaPack 114 Manual de usuario descargar pdf (Pagina 168)

SIP User's Manual 168 Document #: LTRT-65411

MediaPack Series

¾ To configure the Internal SRV table, take these 9 steps:

1. Open the 'Internal SRV Table' page (Configuration tab > Protocol Configuration

menu > Routing Tables submenu > Internal SRV Table page item).

Figure 3-74: Internal SRV Table Screen

2. In the 'Domain Name' field, enter the host name to be translated. You can enter a

string of 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 host name is

translated.

5. In the 'Priority', 'Weight' and 'Port' fields, enter the relevant values

6. Repeat steps 4 through 5, for the second and third DNS names, if required.

7. Repeat steps 2 through 6, for each 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, refer to

''Saving Configuration'' on page 209.

3.4.4.4.6 Reasons for Alternative Routing

The 'Reasons for Alternative Routing' page includes two groups - IP to Tel Reasons and Tel

to IP Reasons. Each group allows you to define up to four different release reasons. If a call

is released as a result of one of these reasons, the device tries to find an alternative route

for that call. The release reason for IP-to-Tel calls is provided in Q.931 notation. The

release reason for Tel-to-IP calls is provided in SIP 4xx, 5xx, and 6xx response codes. For

Tel-to-IP calls, an alternative IP address is provided; for IP-to-Tel calls an alternative Hunt

Group is provided. Refer to ''Tel to IP Routing Table'' on page 160 for info

rmation on

defining an alternative IP address; refer to ''IP to Trunk Group Routing'' on page 163 for

informatio

n on defining an alternative Hunt Group.

You can use the 'Reasons for Alternative Routing' page for the following example

scenarios:

 Tel-to-IP calls: when there is no response to an INVITE message (after INVITE

retransmissions), the device issues an internal 408 'No Response' implicit release

reason.

 IP-to-Tel calls: when the destination is busy and release reason #17 is issued or for

other call releases that issue the default release reason (#3). Refer to

DefaultReleaseCause in ''Advanced Parameters'' on page 129.

The d

evice also plays a tone to the endpoint whenever an alternative route is used. This

tone is played for a user-defined time (using the ini file parameter AltRoutingToneDuration -

refer to Routing General Parameters on page 157).

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AudioCodes MediaPack 114 Manual de usuario Pagina 168