Abbreviations

Abbreviations

Meaning

AMR

Adaptive Multi-Rate

AMR-NB

AMR Narrowband

AMR-WB

AMR Wideband

AOR

Address of Record

DNS

Domain Name Server

DTMF

Dial Tone Multi-Frequency

FQDN

Fully Qualified Domain Name

FEC

Forward Error Correction

FW

Firewall

GPRS

General Packet Radio System

IAP

Internet Access Point

IETF

Internet Engineering Task Force (www.ietf.org)

MO

Mobile Originated

MT

Mobile Terminated

NAT

Network Address Translation

OMA

Open Mobile Alliance

OTA

Over The Air

QoS

Quality of Service

RTP

Real Time Protocol

RTCP

Real Time Control Protocol

SBC

Session Border Controller

SDP

Session Description Protocol

SIP

Session Initiation Protocol

SRV

Server

SSID

Service Set Identifier

STUN

Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)

UDP

User Datagram Protocol

UI

User Interface

TCP

Transport Control Protocol

VoIP

Voice over IP

WLAN

Wireless LAN, Wireless Local Area Network