G8-IAX / G3-IAX
Audio streaming
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Audio streaming
Trigger: auto-dialler mode
In order that audio streaming via a channel of a Gx-IAX card is possible, the functionality of the
is used.
The appropriate dial number for activation of an audio streaming function is used similar to a “call
number” (for configuration via CCT 800). This “dial number” is dialled automatically (e.g. when start-
ing speech recording). This applies to both available streaming methods,
“Audio streaming by feed-in (4T, 6T)”
.
Dial number for activation of streaming functions via CCT 800
Audio mixing for speech recording
Via the Gx-IAX card, it is possible to mix the microphone and loudspeaker signal in order that these
signals can be easily recorded on the VoIP server.
Schematic illustration of audio mixing by means of a Gx-IAX card
ATTENTION: Audio streaming
In order to use the audio streaming function, a corresponding pre-configuration of the VoIP server is
required.
GOOD TO KNOW: VoIP – audio streaming
For each audio streaming function, appropriate scripts on the VoIP server have to be programmed
with a corresponding dial number for activation of the respective script (e.g. for recording audio).
NOTE: Audio bandwidth
For all audio streaming functions, observe that the available audio bandwidth of the Gx-IAX card is
3.4 kHz (G.711 a-law).
ATTENTION: Server restart
At restart of the VoIP server, a stream across a channel of the Gx-IAX card will be cancelled.
“Dial number” for
activation of the streaming
function on the VoIP server
Intercom station
VoIP system
Gx-IAX
audio mixing
Harddisk
REC
e.g. of a conversation
REC
Intercom Server
IP network
