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V7122 Gateway User Guide
91
For
IP
Æ
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). See ‘DefaultReleaseCause’
in
Table 41
.
The reasons for alternative routing option for Tel
Æ
IP calls only apply when Proxy
isn’t used.
To configure the reasons for alternative routing:
1
Open the ‘Reasons for Alternative Routing’ screen (
Protocol Management
menu >
Routing Tables
submenu >
Reasons for Alternative Routing
option); the ‘Reasons for
Alternative Routing’ screen is displayed.
Figure 32
Reasons for Alternative Routing Screen
2
In the ‘IP to Tel Reasons’ table, from the drop-down list select up to 4 different call failure
reasons that invoke an alternative IP to Tel routing.
3
In the ‘Tel to IP Reasons’ table, from the drop-down list select up to 4 different call failure
reasons that invoke an alternative Tel to IP routing.
4
Click the
Submit
button to save your changes.
5
To save the changes so they are available after a power fail, see
Saving Configuration
.
Release Cause Mapping
The Release Cause Mapping screen enables the gateway to map (up to 12) different SIP
Responses to Q.850 Release Causes and vice versa, thereby overriding the hard-coded
mapping mechanism (described in
1
Appendix H: Release Reason
Mapping).
To configure the release cause mapping:
1
Open the ‘Release Cause Mapping’ screen (
Protocol Management
menu >
Routing
Tables
submenu >
Release Cause Mapping
option); the ‘Release Cause Mapping’
screen is displayed.
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