User's Manual 398 Document #: LTRT-42060
Mediant 2600 E-SBC
23.4 Pre-Configured IP-to-IP Routing Rules
For the CRP application, the IP-to-IP Routing table is pre-configured with IP-to-IP routing
rules. These rules depend on the configured Call Survivability mode, as described in
''Configuring Call Survivability Mode'' on page 396.
Notes:
• The IP-to-IP Routing table is read-only.
• For accessing the IP-to-IP Routing table and for a description of its parameters,
see ''Configuring SBC IP-to-IP Routing Rules'' on page 368.
23.4.1 Normal Mode
The pre-configured IP-to-IP routing rules for the Normal CRP call survivability mode are
shown in the table below:
Table 23-2: Pre-Configured IP-to-IP Routing Rules for CRP Normal Mode
Index Source IP
Group ID /
Emergency
Request
Type
Destination
Type
Destination
IP Group ID
Destination
Address
Alternative Route
Options
1 * OPTIONS Dest
Address
- Internal Route Row
3 1 All IP Group 2 - Route Row
4 1 All IP Group 1 - Alternative
5 1 All IP Group 3 - Alternative
6
1
2 All IP Group 1 - Route Row
7
2
2 All IP Group 3 - Route Row
8 3 All IP Group 2 - Route Row
9 3 All IP Group 1 - Alternative
Notes:
1. IP Group 1 is a User-type IP Group and therefore, if the device can't find a matching
user in the device's registration database, it attempts to route the call using the next
routing rule.
2. Index 7 appears only if the CRPGatewayFallback parameter is enabled (see
Configuring PSTN Fallback on page 400).
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