Contact
An example of the header is shown below:
Contact: <sip:555@10.132.10.128:5080>
Multiple header fields support: Yes
The header properties are shown in the following table:
|
Header Level Action |
Add |
Delete |
Modify |
List Entries |
|---|---|---|---|---|
|
Operations Supported |
No |
No |
No |
3 |
|
Keyword |
Sub Types |
Attributes |
|---|---|---|
|
Expires |
Integer |
Read/Write |
|
GruuContact |
String |
Read/Write |
|
IsGRUU |
Boolean |
Read/Write |
|
Name |
String |
Read/Write |
|
Param |
Param |
Read/Write |
|
URL |
Read/Write* |
* Host name cannot be modified in the URL structure for a contact header.
Below is a header manipulation example:
|
Rule: |
Change the user part in the Contact header in all INVITE messages to fred: MessageManipulations 0 = 1, Invite, ,header.contact.url.user, 2, 'fred', 0; |
|
Result: |
Contact: <sip:fred@10.132.10.128:5070> |