Version 6.4  829  March 2012 
SIP User's Manual   C. SIP Message Manipulation Syntax 
Element 
Type 
Comman
d Type 
Command  Value Type  Remarks 
Action  Modify  Boolean  Sets the Boolean element to the value. 
Boolean – can be either 0 or 1. 
Attribute 
Match  ==  Integer 
*Attribute 
Returns true if the attribute element equals to 
the value. 
An attribute element value must be of the same 
type of the attribute element. 
!=  Integer 
*Attribute 
Returns true if the attribute element not equals 
to the value. 
An attribute element value must be of the same 
type of the attribute element. 
Action  Modify  Integer 
*Attribute 
Sets the attribute element to the value. 
An attribute element value must be of the same 
type of the attribute element.