3 Definitions, symbols and abbreviations

34.229-13GPPInternet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP)Part 1: Protocol conformance specificationRelease 16TSUser Equipment (UE) conformance specification

For the purposes of the present document, the terms and definitions given in TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 [1].

3.1 Definitions

For the purposes of the present document, the following additional definitions apply:

Example: text used to clarify abstract rules by applying them literally

Floor: Floor(x) is the largest integer smaller than or equal to x.

Ceil: Ceil (x) is the smallest integer larger than or equal to x.

3.2 Symbols

For the purposes of the present document, the following additional symbols apply:

None.

3.3 Abbreviations

For the purposes of the present document, the following abbreviations apply:

AAAA Address (IP v6)

AKA Authentication and Key Agreement

AKAv1-MD5 Authentication and Key Agreement version 1- Message-Digest 5

DUID DHCP Unique Identifier

EF Elementary File

FQDN Fully Qualified Domain Name

GAA Generic Authentication Architecture

GBA Generic Bootstrapping Architecture

HMAC-MD5-96 Hashing for Message Authentication Code – Message-Digest 5 – 96 (bits)

HMAC-SHA-1-96 Hashing for Message Authentication Code – Secure Hash Algorithm 1 – 96 (bits)

ICS Implementation Conformance Statement

IN INternet

IPsec IP Security

IXIT Implementation eXtra Information for Testing

MIME Multi purpose Internet Mail Extensions

MF Master File

NAPTR Naming Authority Pointer

P-CSCF Proxy – Call Session Control Function

RTCP Real Time Transport Control Protocol

SIGComp SIGnalling Compression

SRV SeRVice

SS System Simulator