Configuring the SIP Interface

You configure the 2833 mode and payload for the SIP interface. You must configure the payload the Oracle® Enterprise Session Border Controllerwill use for RFC 2833 packets, while interworking 2833 and INFO/UII.

To configure the SIP interface:

In Superuser mode, type configure terminal and press Enter.
```
ORACLE# configure terminal
```
Type session-router and press Enter to access the system-level configuration elements.
```
ORACLE(configure)# 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)#
```
From this point, you can configure SIP interface parameters. To view all sip-interface parameters, enter a ? at the system prompt.
rfc2833-payload—Enter a number that indicates the payload type the SIP interface will use for RFC 2833 packets while interworking 2833 and UII. The default value is 101.The valid range is:
- Minimum—96
- Maximum—127
rfc2833-mode—Set the RFC 2833 mode for the SIP interface. The default value is transparent. Valid values are:
- transparent—The SIP INFO and RFC 2833 translation is transparent to the Oracle® Enterprise Session Border Controller.
- preferred—The RFC 2833 transfer method is the preferred method for sending DTMF, and a telephone event is inserted in the SDP of the outgoing offer. The actual method of transfer, however, depends on the SDP offer/answer exchange that occurs between the Oracle® Enterprise Session Border Controller and remote endpoint. If the remote endpoint supports RFC 2833, the Oracle® Enterprise Session Border Controller performs SIP INFO—RFC 2833 conversion.
- dual—The Oracle® Enterprise Session Border Controller behaves the same as it does when set to preferred mode, and it forwards both the original DTMF mechanism and the translated one to the remote endpoint.