Difference between revisions of "VoIP abbreviations"
From Teknologisk videncenter
m |
m |
||
Line 32: | Line 32: | ||
| PSTN || [[w:Public switched telephone network|Public Switched Telephone Network]] | | PSTN || [[w:Public switched telephone network|Public Switched Telephone Network]] | ||
|- | |- | ||
+ | | Q.931 || [[w:Q.931|Q.931 is the ITU standard ISDN connection control signalling protocol]] | ||
| T1 || [[w:T-carrier|T1 carrier used to carry ISDN PRI between Telco and customer in USA/Japan]] | | T1 || [[w:T-carrier|T1 carrier used to carry ISDN PRI between Telco and customer in USA/Japan]] | ||
|- | |- |
Revision as of 13:44, 15 January 2013
Abbr. | Meaning | ||
---|---|---|---|
A/D | Analog-to-digital converter | ||
CO | Central Office or telephone exchange | ||
D/A | Digital-to-analog converter | ||
DTMF | Dual-tone multi-frequency signaling | ||
E1 | E1 carrier used to carry ISDN PRI between Telco and customer in Europe | ||
E.164 | E.164 is a international public telecommunication numbering plan used in the PSTN | ||
ISDN | Integrated Services Digital Network | ||
ISDN BRI | ISDN Basic Rate Interface. 2 B channels and 16 Kbps D channel | ||
ISDN PRI | ISDN Primary Rate Interface. 30 B channels and 64 Kbps D channel in Europe | ||
ITU | International Telecommunication Union | ||
ITU-T | ITU Telecommunication Standardization Sector | ||
PABX | Private automatic branch exchange - See PBX | ||
PBX | Private branch exchange - A privat telephone exchange | ||
POTS | Plain old telephone service | ||
PSTN | Public Switched Telephone Network | ||
Q.931 | Q.931 is the ITU standard ISDN connection control signalling protocol | T1 | T1 carrier used to carry ISDN PRI between Telco and customer in USA/Japan |
Telco | Telephone company |