Configuring Sip Message Policy Rules - AudioCodes Mediant 4000 SBC User Manual

User's Manual
2. Click New; the following dialog box appears:
Figure 19-5: Message Conditions Table - Add Dialog Box
3. Configure a Message Condition rule according to the parameters described in the
table below.
4. Click Apply.
An example of configured Message Condition rules is shown in the figure below:
Figure 19-6: Example of Configured SIP Message Conditions

Index 0: Incoming SIP dialog that is classified as belonging to a User-type IP Group.

Index 1: Incoming SIP dialog that contains a SIP Via header.

Index 2: Incoming SIP dialog with "101" as the user part in the SIP From header.
Table 19-2: Message Conditions Table Parameter Descriptions
Parameter
Index
[ConditionTable_Index]
Name
name
[ConditionTable_Name]
Condition
condition
[ConditionTable_Condition]
19.3

Configuring SIP Message Policy Rules

The Message Policies table lets you configure up to 20 SIP Message Policy rules. SIP
Message Policy rules are used to block (blacklist) unwanted incoming SIP messages or
permit (whitelist) receipt of desired SIP messages. You can configure legal and illegal
characteristics of SIP messages. This feature is helpful against VoIP fuzzing (also known
Version 7.2
Defines an index number for the new table row.
Note: Each row must be configured with a unique index.
Defines a brief description of the Condition rule.
The valid value is a string of up to 59 characters.
Defines the Condition rule of the SIP message.
The valid value is a string.
Note: User and host parts must be enclosed in single quotes.
401
19. SIP Message Manipulation
Description
Mediant 4000 SBC