2. Glossary of Terms

The following terms are used in this document and have specific meaning within the context of this document.

Session Description: A well-defined format for conveying sufficient information to discover and participate in a multimedia session.

Media Description: A Media Description contains the information needed for one party to establish an application-layer network protocol connection to another party. It starts with an "m=" line and is terminated by either the next "m=" line or by the end of the session description.

Session-Level Section: This refers to the parts that are not media descriptions, whereas the session description refers to the whole body that includes the session-level section and the media description(s).

The terms "multimedia conference" and "multimedia session" are used in this document as defined in [RFC7656]. The terms "session" and "multimedia session" are used interchangeably in this document.

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all capitals, as shown here.

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