AudioCodes Mediant 500 E-SBC, User Manual

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Version 6.8 517 Mediant 500 E-SBC
User's Manual 30. CRP Configuration

Always Emergency: The CRP routes the calls between the branch users themselves
as if connectivity failure has occurred with the IP PBX. The CRP also registers the
branch users in its registration database.
Figure 30-2: CRP in Always Emergency Mode

To configure the Call Survivability mode:
1. Open the General Settings page ( Configuration tab > VoIP menu > CRP > General
Settings ).
2. From the 'CRP Survivability Mode' drop-down list, select the required mode.
3. Click Submit .
30.3 Pre-Configured IP Groups
For CRP, the device is pre-configured with the following IP Groups in the IP Group table:
Table 30-1: Pre-configured IP Groups in the IP Group Table
Index Type Description
1 User Users
2 Server Proxy
3 Server Gateway
These IP Groups represent the following IP entities:

"Users" IP Group: LAN users (e.g., IP phones) at the branch office

"Server" IP Group: Server (e.g., hosted IP PBX at the Enterprise's headquarters)

"Gateway" IP Group: Device's interface with the PSTN
These IP Groups are used in the IP-to-IP routing rules to indicate the source and
destination of the call (see ''Pre-Configured IP-to-IP Routing Rules'' on page
518 ).
Notes:
•
These IP Groups cannot be deleted and additional IP Groups cannot be
configured. The IP Groups can be edited, except for the fields listed above, which
are read-only.
•
For accessing the IP Group table and for a description of its parameters, see
''Configuring IP Groups'' on page
263 .