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;DSLAM
;DSLAM
:Digital Subscriber Line Access Multiplexer
:Digital Subscriber Line Access Multiplexer
+
+
;DSP
+
:Digital Signal Processor
;DTLS
;DTLS
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;DTX
;DTX
−
:Discontinuous Transmission - stops transmitting completely when silence is detected
+
:Discontinuous Transmission is an audio codec feature that stops transmitting completely when silence is detected to save bandwidth (and thus traffic).
;DUNDi
;DUNDi
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;IPP
;IPP
−
:Integrated Performance Primitive by Intel http://trac.pjsip.org/repos/wiki/Intel_IPP_Codecs
+
:Integrated Performance Primitive [http://trac.pjsip.org/repos/wiki/Intel_IPP_Codecs by Intel]
;ISN
;ISN
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;IVR
;IVR
−
:Interactive Voice Response - An automated voice system that allows callers to voice navigate ...
+
:Interactive Voice Response - An automated voice system that allows callers to voice navigate.
;LFI
;LFI
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;MOS
;MOS
−
:Mean Opinion Score: Subjektive Audio-Quali-Einschätzung von signif. vielen Leuten, Ergebnis 1...5.
+
:Mean Opinion Score: Subjektive Audio-Quali-Einschätzung von signif. vielen Leuten, Ergebnis im Bereich 1...5.
;MSD
;MSD
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;MWI
;MWI
−
:https://en.wikipedia.org/wiki/Message-waiting_indicator
+
:[https://en.wikipedia.org/wiki/Message-waiting_indicator Message Waiting Indicator]
;NANP
;NANP
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;OPUS
;OPUS
−
:Audio-Codec: https://de.wikipedia.org/wiki/Opus_(Audioformat)
+
:[https://de.wikipedia.org/wiki/Opus_(Audioformat) Der Rockstar unter den Audio-Codecs]. Der hat alle guten Features und ist dazu noch frei von Patenten. Den will man haben -- leider ist der aber (noch) nicht überall implementiert. Z.B. kann ein Snom-Tischtelefon kein Opus. Aber die Soft-Phones können Opus.
;OSP
;OSP
−
:https://en.wikipedia.org/wiki/Open_Settlement_Protocol
+
:[https://en.wikipedia.org/wiki/Open_Settlement_Protocol Open Settlement Protocol]
;OSS
;OSS
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;PCMA
;PCMA
−
:Audio-Codec: https://en.wikipedia.org/wiki/A-law_algorithm
+
:[https://en.wikipedia.org/wiki/A-law_algorithm Audio-Codec]
;PCMU
;PCMU
−
:Audio-Codec: https://en.wikipedia.org/wiki/Μ-law_algorithm
+
:[https://en.wikipedia.org/wiki/Μ-law_algorithm Audio-Codec]
;PHN
;PHN
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;PRI ISDN
;PRI ISDN
−
:https://en.wikipedia.org/wiki/Primary_Rate_Interface (T1, E1, J1), 24 Channels (Primär-Multiplex)
+
:[https://en.wikipedia.org/wiki/Primary_Rate_Interface Primär-Multiplex-Anschluß] (T1, E1, J1), 24 Channels
;RDOFF
;RDOFF
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;VAD
;VAD
:Voice Activity Detection - Reduces Bitrate when no Voice is detected
:Voice Activity Detection - Reduces Bitrate when no Voice is detected
+
+
;VBR
+
:Variable Bitrate Operation is an audio codec feature.
;VIP
;VIP