Call-Id
An example of the header is shown below:
Call-ID: JNIYXOLCAIWTRHWOINNR@10.132.10.128
The header properties are shown in the following table:
| 
                                                             Header Level Action  | 
                                                        
                                                             Add  | 
                                                        
                                                             Delete  | 
                                                        
                                                             Modify  | 
                                                        
                                                             List Entries  | 
                                                    
|---|---|---|---|---|
| 
                                                             Operations Supported  | 
                                                        
                                                             No  | 
                                                        
                                                             No  | 
                                                        
                                                             No  | 
                                                        
                                                             NA  | 
                                                    
| 
                                                             Keyword  | 
                                                        
                                                             Sub Types  | 
                                                        
                                                             Attributes  | 
                                                    
|---|---|---|
| 
                                                             ID  | 
                                                        
                                                             String  | 
                                                        
                                                             Read Only  | 
                                                    
Below is a header manipulation example:
| 
                                                             Rule:  | 
                                                        
                                                             Add a proprietary header to all INVITE messages using the data in the Call-id header: 
 
 
 
  | 
                                                    ||||||||||||
| 
                                                             Result:  | 
                                                        Xitsp-abc: GIAPOFWRBQKJVAETIODI@10.132.10.128  |