Appendix . Acronyms

2G

Second-generation mobile system

3DES

Triple Data Encryption Standard

3G

Third-generation mobile system

3GPP

3rd Generation Partnership Project

3PCC

Third-Party Call Control

AAA

Authentication, Authorization, and Accounting

AAAA RR

IPv6 Address Resource Record

ABNF

Augmented Backus-Naur Form

ADSL

Asymmetric Digital Subscriber Line

AES

Advanced Encryption Standard

AH

Authentication Header

AIB

Authenticated Identity Body

AKA

Authentication and Key Agreement

AMR

Adaptative Multirate

AN

Access Network

AOR

Address of Record

API

Application Programming Interface

ARPA

Advanced Research Projects Agency

ARR

Address Resource Record

AS

Application Server

A-SBC

Access Session Border Controller

ASCII

American Standard Code for Information Interchange

ASR

Automatic Speech Recognition ...

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