...
The feature's Message Manipulation Engine (MME) manipulates SIP messages in order to compensate for interoperability issues between differing vendor equipment and for dynamically correcting reparable protocol errors in SIP messages. The flows described in this article are message flows and should not be confused with call flows.
...
| and Outbound Message Flow |
|  Image Modified
|
|
Message Flow
Inbound Messages
...
The following example demonstrates a token match where the URI in the p-asserted-identity header is matched against the URI in the From header
| Section |
|---|
| Column |
|---|
| Panel |
|---|
| | Caption |
|---|
| 0 | Figure |
|---|
| 1 | Create Condition Rule |
|---|
|  Image Modified
|
|
|
| Column |
|---|
 Image Modified
|
|
Condition Rule Table
| Panel |
|---|
|
| Caption |
|---|
| 0 | Figure |
|---|
| 1 | Condition Rule Table |
|---|
|  Image Modified
|
|
The Condition Rule Table a collection of all the user created Condition Rules.
...
Message Rule tables are tables of tables. The inner tables are essentially sets (tables) of Condition Rules.
| Panel |
|---|
|
| Caption |
|---|
| 0 | Figure |
|---|
| 1 | Message Rule Tables |
|---|
|  Image Modified
|
|
Application of Rule Tables
Message Rule Tables are simply sets of Condition Rules and are applied in SIP Signaling Groups when Message Manipulation is enabled.
...
|  Image Modified
|
|