User's Manual 1212 Document #: LTRT-10532
Mediant 500L Gateway & E-SBC
Parameter Description
The parameter is applicable only to FXS or FXO interfaces.
The parameter is applicable only to Tel-to-IP alternative routing
based on SIP responses (see Alternative Routing Based on SIP
Responses on page 528).
Reasons for Alternative Tel-to-IP Routing Table
Reasons for Alternative
Routing
configure voip > gateway
routing alt-route-cause-tel2ip
[AltRouteCauseTel2IP]
Defines SIP call failure reason values received from the IP side. If an
IP call is released as a result of one of these reasons, the device
attempts to locate an alternative IP route for the call in the Tel-to-IP
Routing table (if a Proxy is not used) or used as a redundant Proxy
(you need to set the parameter RedundantRoutingMode to 2). The
release reason for Tel-to-IP calls is provided in SIP 4xx, 5xx, and 6xx
response codes.
The format of the ini file table parameter is as follows:
[AltRouteCauseTel2IP]
FORMAT AltRouteCauseTel2IP_Index =
AltRouteCauseTel2IP_ReleaseCause;
[\AltRouteCauseTel2IP]
For example:
AltRouteCauseTel2IP 0 = 486; (Busy Here)
AltRouteCauseTel2IP 1 = 480; (Temporarily Unavailable)
AltRouteCauseTel2IP 2 = 408; (No Response)
For more information, see ''Alternative Routing Based on SIP
Responses'' on page 528.
Reasons for Alternative IP-to-Tel Routing Table
Reasons for Alternative IP-to-
Tel Routing
configure voip > gateway
routing alt-route-cause-ip2tel
[AltRouteCauseIP2Tel]
Defines call failure reason values received from the Tel 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 IP-to-Tel Routing table.
The format of the ini file table 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)
For more information, see ''Alternative Routing to Trunk upon Q.931
Call Release Cause Code'' on page 532.
Forward On Busy Trunk Destination Table
Forward On Busy Trunk
Destination
configure voip > gateway
routing fwd-on-bsy-trk-dest
[ForwardOnBusyTrunkDest]
Defines 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 the ini file table parameter is as follows:
[ForwardOnBusyTrunkDest]
FORMAT ForwardOnBusyTrunkDest_Index =
ForwardOnBusyTrunkDest_TrunkGroupId,
ForwardOnBusyTrunkDest_ForwardDestination;
[\ForwardOnBusyTrunkDest]
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