Normal Call (recording not required)
The following illustration shows a normal call using selective recording with recording optional.

- UA-A sends INVITE to Oracle® Enterprise Session Border Controller.
- Oracle® Enterprise Session Border Controller forwards INVITE to UA-B.
- UA-B responds with OK to Oracle® Enterprise Session Border Controller.
- Oracle® Enterprise Session Border Controller forwards OK response to UA-A.
- Oracle® Enterprise Session Border Controller sends INVITE with SDP and metadata to SRS.
- SRS responds with OK to Oracle® Enterprise Session Border Controller.
- RTP stream initiated between UA-A, Oracle® Enterprise Session Border Controller, and UA-B.
- RTP stream initiated between Oracle® Enterprise Session Border Controller and SRS.
- UA-A sends BYE to Oracle® Enterprise Session Border Controller.
- Oracle® Enterprise Session Border Controller responds with OK to UA-A.
- Oracle® Enterprise Session Border Controller sends BYE to UA-B.
- UA-B responds with OK to Oracle® Enterprise Session Border Controller.
- Oracle® Enterprise Session Border Controller sends BYE to SRS.
- SRS responds with OK to Oracle® Enterprise Session Border Controller.