42 SIP Message Manipulation Syntax
This section provides a detailed description on the support and syntax for configuring SIP
message manipulation rules. For configuring message manipulation rules, see Configuring
SIP Message Manipulation.
42.1 Actions
The actions that can be done on SIP message manipulation in the Message Manipulations
table are listed in the table below.
Table 42-1: Message Manipulation Actions
Action Value
Add 0
Remove 1
Modify 2
Add Prefix 3
Add Suffix 4
Remove Suffix 5
Remove Prefix 6
The maximum length of the value for a manipulation is 299 characters.
42.2 Header Types
42.2.1 Accept
An example of the header is shown below:
Accept: application/sdp
The header properties are shown in the table below:
Header Level Action Add Delete Modify List Entries
Operations Supported Yes Yes No N/A
Keyword Sub Types Attributes
N/A N/A N/A
Below is a header manipulation example: If the supported header does not contain
'mm,100rel,timer,replaces', then in all INVITE messages add an Accept header that
appears as follows:
Accept: application/x-private
Message Type Condition Action Subject
Action
Type
Action Value
invite header.supported !=
'mm,100rel,timer,replaces'
header.accept Add 'application/x-
private'
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