Difference between revisions of "VoIP abbreviations"

Revision as of 13:03, 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	[[w:E-carrier\|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
POTS	Plain old telephone service
PSTN	Public Switched Telephone Network
T1	[[w:T-carrier\|T1 carrier used to carry ISDN PRI between Telco and customer in USA/Japan]]
Telco	Telephone company

@@ Line 10: / Line 10: @@
 | DTMF  || [[w:Dual-tone multi-frequency signaling|Dual-tone multi-frequency signaling]]
 |-
-| E1    || [[w:E-carrier|E1 carrier used to carry [w:Primary Rate Interface|ISDN PRI]] between Telco and customer in Europe]]
+| E1    || [[w:E-carrier|E1 carrier used to carry [[w:Primary Rate Interface|ISDN PRI]] between Telco and customer in Europe]]
 |-
 | E.164 || [[w:E.164|E.164]] is a international public telecommunication numbering plan used in the [[w:PSTN|PSTN]]
@@ Line 28: / Line 28: @@
 | PSTN || [[w:Public switched telephone network|Public Switched Telephone Network]]
 |-
-| T1    || [[w:T-carrier|T1 carrier used to carry [w:Primary Rate Interface|ISDN PRI]] between Telco and customer in USA/Japan]]
+| T1    || [[w:T-carrier|T1 carrier used to carry [[w:Primary Rate Interface|ISDN PRI]] between Telco and customer in USA/Japan]]
+|-
+| Telco || [[w:Telephone company|Telephone company]]
 |-
 |}