Route Header Removal

This section explains how to enable the Oracle® Enterprise Session Border Controller to disregard and strip all SIP Route headers. You set an option in a SIP interface configuration to strip all Route headers for SIP requests coming from this interface.

When the Oracle® Enterprise Session Border Controller with this option configured receives an INVITE from an interface, it removes the route headers. However, although it removes the headers, the Oracle® Enterprise Session Border Controller maintains backward compatibility with RFC 2543 nodes. To do so, it normalizes the request to an RFC 3261 loose routing form before it removes the headers.

Route Header Removal Configuration

The following information explains how to remove SIP route headers.

To configure SIP route header removal:

In Superuser mode, type configure terminal and press Enter.
```
ORACLE# configure terminal
```
Type session-router and press Enter to access the signaling-level configuration elements.
```
ORACLE(configure)# session-router
ORACLE(session-router)#
```
Type sip-interface and press Enter. The system prompt changes to let you know that you can begin configuring individual parameters.
```
ORACLE(session-router)# sip-interface
ORACLE(sip-interface)#
```
Type options strip-route-headers and press Enter. This completes the configuration of SIP route header removal.
```
ORACLE(sip-interface)# options strip-route-headers
```