User's Manual 668 Document #: LTRT-68822
Mediant 2000
Parameter Description
Based on SIP Responses' on page 323.
Reasons for Alternative IP-to-Tel Routing Table
Web: Reasons for
Alternative IP-to-Tel
Routing
EMS: Alt Route Cause IP
to Tel
[AltRouteCauseIP2Tel]
This table parameter configures call failure reason values received
from the PSTN side (in Q.931 presentation). If a call is released as a
result of one of these reasons, the device attempts to locate an
alternative Trunk Group for the call in the Inbound IP Routing Table.
The format of this parameter is as follows:
[AltRouteCauseIP2Tel]
FORMAT AltRouteCauseIP2Tel_Index =
AltRouteCauseIP2Tel_ReleaseCause;
[\AltRouteCauseIP2Tel]
For example:
AltRouteCauseIP2Tel 0 = 3 (No Route to Destination)
AltRouteCauseIP2Tel 1 = 1 (Unallocated Number)
AltRouteCauseIP2Tel 2 = 17 (Busy Here)
AltRouteCauseIP2Tel 2 = 27 (Destination Out of Order)
Note: For a detailed description of this table, see 'Alternative Routing
to Trunk upon Q.931 Call Release Cause Code' on page 325.
Forward On Busy Trunk Destination Table
Web/EMS: Forward On
Busy Trunk Destination
[ForwardOnBusyTrunkD
est]
This table parameter configures the Forward On Busy Trunk
Destination table. This table allows you to define an alternative IP
destination if a trunk is busy for IP-to-Tel calls.
The format of this parameter is as follows:
[ForwardOnBusyTrunkDest]
FORMAT ForwardOnBusyTrunkDest_Index =
ForwardOnBusyTrunkDest_TrunkGroupId,
ForwardOnBusyTrunkDest_ForwardDestination;
[\ForwardOnBusyTrunkDest]
For example, the below configuration forwards IP-to-Tel calls to
destination user “112” at host IP address 10.13.4.12, port 5060,
using transport protocol TCP, if Trunk Group ID 2 is unavailable:
ForwardOnBusyTrunkDest 1 = 2,
112@10.13.4.12:5060;transport=tcp;
Note: For a detailed description of this table, see 'Alternative Routing
to IP Destination upon Busy Trunk' on page 326.
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