Table of Contents

• Title and Copyright Information
• About This Guide
  • My Oracle Support
• Revision History
• 1 Header Manipulation Rules
  • HMR Fundamentals
    • Audience
    • When to Use HMR
    • Managing HMR Impact on Performance
    • Applying HMRs to Traffic
      • Outbound HMR
      • Inbound HMR
      • Order of Header Rule Application
      • HMR Store Actions and Boolean Results
      • Routing Decisions
    • Static and Dynamic HMR
      • Static HMR
      • Dynamic HMR
    • Sample HMR
  • HMR Components
    • Relationship Between Rulesets and Its Rules
    • Ruleset Guidelines
    • Ruleset Components
    • Guidelines for Header and Element Rules
    • Guidelines for Header Rules
    • Guidelines for Element Rules
    • Duplicate Header Names
    • SIP Header Pre-Processing HMR
    • Back Reference Syntax
    • Dialog Matching
      • About Dialog-Matching Header Manipulations
        • Inbound HMR Challenge
        • Outbound HMR Challenge
        • Dialog-matching Header Manipulation Configuration
    • Built-In HMRs
      • Built-In Variables
      • Built-In SIP Manipulation Configuration
    • Unique Regex Patterns Per Peer and Trunk
    • Rejecting SIP Requests
    • HMR Information in Logs
  • Using Regular Expressions
    • Example of HMR with Regex
    • Regex Characters
      • Literal (Ordinary)
      • Special (Metacharacters)
      • Regex Tips
      • Matching New Lines
      • Escaped Characters
      • Building Expressions with Parentheses
      • Boolean Operators
      • Equality Operators
      • Normalizing EBNF ExpressionString Grammar
    • Storing Regex Patterns
    • Performance Considerations
    • Additional References
  • HMR Configuration
    • Testing Pattern Rules
    • Creating Header Manipulation Rulesets
    • Configuring SIP Header Manipulation Rules
    • Configuring SIP Header Manipulation Element Rules
    • Status-Line Manipulation and Value Matching
      • Set the Header Name
      • Set the Element Type
      • Set the Match Value
        • Set the Header Rules Match Value
        • Set the Element Rules Match Value
        • Set the Response Code Block
    • Configuring SIP HMR Sets
    • Configuring a Session Agent
    • Configuring a SIP Interface
    • Example 1 Stripping All Route Headers
    • Example 2 Stripping an Existing Parameter and Adding a New One
  • Unique HMR Regex Patterns and Other Changes
    • The Default Expression
    • Manipulation Pattern Per Remote Entity
    • Reject Action
      • Reject Action Configuration
      • About Counters
      • SNMP Support
    • Log Action
    • Changes to Storing Pattern Rule Values
    • Removal of Restrictions
    • Name Restrictions for Manipulation Rules
    • New Value Restrictions
  • MIME Support
    • Manipulating MIME Attachments
      • About the MIME Value Type
      • SIP Message-Body Separator Normalization
      • Configuring MIME Support
    • HMR for SIP-ISUP
      • MIME Rules Overview
      • Identifying a MIME Rule
      • About MIME Rules
      • MIME Rules Configuration
      • Working with MIME Rules
      • MIME ISUP Manipulation
      • Adding an ISUP Body to a SIP Message
      • MIME ISUP Manipulation Configuration
      • Configuration Example
    • Header Manipulation Rules for SDP
      • SDP Manipulation
        • sdp-session-rule
        • sdp-media-rule
        • sdp-line-rule
      • Regular Expression Interpolation
      • Regular Expressions as Boolean Expressions
      • Moving Manipulation Rules
      • Rule Nesting and Management
      • ACLI Configuration Examples
        • Remove SDP
        • Remove Video from SDP
        • Add SDP
        • Manipulate Contacts
        • Remove a Codec
        • Change Codec
        • Remove Last Codec and Change Port
        • Remove Codec with Dynamic Payload
  • HMR Import-Export
    • Exporting
    • Importing
    • Using SFTP to Move Files
    • Removing Files
  • HMR Development
    • Development Overview
      • Development Tips
    • Planning Considerations
      • Traffic Direction
      • Order of Application Precedence
      • Order of HMR Execution
      • Applying HMR to a Specific Header
      • HMR Sets
    • Create Pseudocode
    • Test HMRs
      • test-sip-manipulation
    • Development Example
      • Writing the Pseudo Code
      • Testing the Pattern Rule
      • Constructing the HMR
      • Loading Test SIP Message
      • Configuring Testing
      • Executing Testing
      • Log File Analysis
  • Configuration Examples
    • Example 1 Removing Headers
    • Example 2 Manipulating the Request URI
    • Example 3 Manipulating a Header
    • Example 4 Storing and Using URI Parameters
    • Example 5 Manipulating Display Names
    • Example 6 Manipulating Element Parameters
    • Example 7 Accessing Data from Multiple Headers of the Same Type
    • Example 8 Using Header Rule Special Characters
    • Example 9 Status-Line Manipulation
    • Example 10 Use of SIP HMR Sets
    • Example 11 Use of Remote and Local Port Information
    • Example 12 Response Status Processing
    • Example 13 Remove a Line from SDP
    • Example 14 Back Reference Syntax
    • Example 15 Change and Remove Lines from SDP
    • Example 16 Change and Add New Lines to the SDP