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:

Pre-Configured IP-to-IP Routing Rule for Auto Answer to Registrations Mode

Mode

Index

Source IP Group

Request Type

Destination Type

Destination IP Group

Destination Address

Alternative Route Options

Auto Answer to Registrations

 

 

 

 

 

 

 

 

1

Any

OPTIONS

Dest Address

-

Internal

Route Row

2

Any

REGISTER

IP Group

Any

-

Route Row

3

#1 [CRP Users]

All

IP Group

#2 [CRP Proxy]

-

Route Row

4

#1 [CRP Users]

All

IP Group

#1 [CRP Users]

-

Alternative Route Ignore Inputs

5

#1 [CRP Users]

All

IP Group

#3 [CRP Gateway]

-

Alternative Route Ignore Inputs

6

#2 [CRP Proxy]

All

IP Group

#1 [CRP Users]

-

Route Row

7*

#2 [CRP Proxy]

All

IP Group

#3 [CRP Gateway]

-

Route Row

8

#3 [CRP Gateway]

All

IP Group

#2 [CRP Proxy]

-

Route Row

9

#3 [CRP Gateway]

All

IP Group

#1 [CRP Users]

-

Alternative Route Ignore Inputs

The destination for the routing rule at Index 2 is the source IP Group (i.e., from where the REGISTER message is received).
Routing rule at Index 7 appears only if the CRPGatewayFallback parameter is enabled (see Configuring PSTN Fallback).