要記起來的首字縮寫字

3GPP:Third Generation Partnership Project(ETSI)

ARP:Address Resolution Protocol位址查解協定
IMS:IP Multimedia (Sub)system
WiMAX:Worldwide interoperability Microwave Access(Where is X??)
IEEE:Institute of Electrical and Electronic Engeerers
RFC:Request For Comments
SMTP:Simple Mail Transport Protocol
ENUM:

VoIP:Voice over IP( see also :DTMF)
DTMF:Dual Tone Multi-Frequency encoding of numbers(??)
ADSL:Asymmetric Digital Subscriber Line
B2BUA:Back to Back User Agent
UAS:User Agent Server
UAC:User Agent Client
OAM:Operation,Administration and Maintenance
PSTN:Public Switched Telephone Network
PBX:Packet Branch Exchange
ISP:Internet Service Provider
ISDN:Intergrated Services Digital Network
NAT:Network Address Translator (cf:NAPT)
NAPT:Network Address and Port Translation
ALG:Application Layer Gateway
STUN:Simple Traversal Underneath NATs)
TANet:
IETF:Internet Engineering Task Force, the Internet standard body
MIME:Multipurpose Internet Mail Extension Protocol
SIP:Session Initiation Protocol
SDP:Session Description Protocol(simple plain text document,usually in the body of SIP message that describes the capability of an internet end point)(RFC ?)
CSeq:Sequential number of SIP requests within a SIP dialog(the number is used to detect out of order requests and retransmissions)
AP:Access Point
RTP:Real Time Streaming Protocol(Realtime Transport Protocol)
DNS:Domain Name Service
NAPTR:Naming Authority Pointer
SER:SIP Express Router
GNU:?
GPL:General ? License
LDAP:Lightweight Directory Access Protocol
SMS:Simple Message ?
FAQ:Frequently Asked Questions
BELLcore:communication Research
TTL:Time to Live(hop to live)
SIPit:SIP Interoperability Test)
Reference:
http://www.iptel.org/glossary