Term or abbreviation |
Meaning |
---|---|
3GPP |
The 3rd Generation Partnership Project |
a-law |
Name of G.711 PCMU algorithm |
AKA |
Authentication and Key Agreement |
AMR-NB |
Adaptive Multi-Rate Narrowband |
AMR-WB |
Adaptive Multi-Rate Wideband |
AOR |
Address-of-record |
API |
Application Programming Interface |
CLIP |
Calling Line Identification Presentation |
CLIR |
Calling Line Identification Restriction |
CN |
Comfort Noise |
CP |
Client Provisioning |
CRC |
Cyclic Redundancy Check |
CRLF |
Formatting control codes Carriage Return (CR) and Line Feed (LF) |
CS call |
Circuit-switched call |
DM |
Device Management |
DND |
Do Not Disturb |
DTMF |
Dual-Tone Multifrequency |
DTX |
Discontinuous Transmission |
FEC |
Forward Error Correction |
FW |
Firewall |
GSM-EFR |
GSM Enhanced Full Rate |
GSM-FR |
GSM Full Rate |
HTTP |
Hyper Text Transport Protocol |
iLBC |
Internet Low Bitrate Codec |
IEEE |
The Institute of Electrical and Electronics Engineers, Inc. |
IETF |
The Internet Engineering Task Force |
IP |
Internet Protocol |
IPv4 |
Internet Protocol version 4 |
IPv6 |
Internet Protocol version 6 |
ITU |
International Telecommunication Union |
Maxptime |
The maximum amount of media (in milliseconds) which can be encapsulated in a payload packet. |
MIME |
Multipurpose Internet Mail Extensions |
MO |
Mobile Originated |
MT |
Mobile Terminated |
MWI |
Message Waiting Indicator |
NAT |
Network Address Translation |
OMA |
Open Mobile Alliance |
PCMA |
Pulse Code Modulation a-law |
PCMU |
Pulse Code Modulation µ-law |
Ptime |
The preferred amount of media (in milliseconds) which is encapsulated in a payload packet. The actual packetisation interval is usually the same as ptime, but can vary depending on the usage of VAD and/or DTX. |
PHB |
Per-Hop Behaviour |
PS call |
Packet-switched call |
QoS |
Quality of Service |
RFC |
Request For Comments |
RTCP |
Real-Time Transport Control Protocol |
RTCP XR |
RTCP Extended Reports |
RTP |
Real-Time Transport Protocol |
SDP |
Session Description Protocol |
SID |
Silence Insertion Descriptor |
SIP |
Session Initiation Protocol |
STUN |
Simple Traversal of UDP through NAT; a protocol that allows applications to detect that network address translation (NAT) is being used. |
TCP |
Transmission Control Protocol |
UDP |
User Datagram Protocol |
UED |
Unequal Error Detection |
UEP |
Unequal Error Protection |
UI |
User Interface |
URI |
Uniform Resource Identifier |
VAD |
Voice Activity Detection |
VoIP |
Voice over IP |
µ-law |
Name of G.711 PCMU algorithm |