User's Manual 39. CRP Configuration
Version 6.8 595 Mediant 500L MSBR
39.4.2 Emergency Mode
The pre-configured IP-to-IP routing rules for the Emergency CRP call survivability mode
are shown in the table below:
Table 39-3: Pre-Configured IP-to-IP Routing Rules for Emergency Mode
Mode Index
Source IP
Group ID /
Emergency
Request
Type
Type
IP Group
ID
Address
Alternative
Route
Options
Always
Emergency
1 * OPTIONS
Dest
Address
- Internal Route Row
4 1 All IP Group 1 - Route Row
5 1 All IP Group 3 - Alternative
9 3 All IP Group 1 - Route Row
39.4.3 Auto Answer to Registrations
The pre-configured IP-to-IP routing rules for the Auto Answer to Registrations CRP call
survivability mode are shown in the table below:
Table 39-4: Pre-Configured IP-to-IP Routing Rule for Auto Answer to Registrations Mode
Mode Index Source IP
Group ID
Request
Type
Type
IP Group
ID
Address
Route
Options
Auto Answer
to
Registrations
1 * OPTIONS Dest
Address
- Internal Route Row
2
1
* REGISTER
IP Group -2 - 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 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. For the routing rule of Index 2, the destination is the source IP Group (i.e., from where
the REGISTER message was received).
2. Index 7 appears only if the CRPGatewayFallback parameter is enabled (see
''Configuring PSTN Fallback'' on page 596).