CCTV Camera Pros Geovision 8.2 Multicam Digital Surveillance System - Manual (Page 262)

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Audio Setup
Figure 6-5 Server Setup- Audio
[Server to Client] Allows a client PC to access live audio from the server site.
„ Max. Channel(s): Enter the number of client PCs allowed to access live audio, with the upper limit
of 40 PCs.
„ Codec Selection: ADPCM requires 4 KByte bandwidth, while G.723 requires only 0.66 KByte
bandwidth. But ADPCM offers much better audio quality than G.723. The audio codec is set to
Good (ADPCM) by default. Note Windows Vista does not support G.723.
[Client to Server] Allows a client PC to speak to the server site.
„ Max. Channel(s): Enter the number of client PCs allowed to speak to the server site, with the
upper limit of 20 PCs.
„ Codec Selection: The same as the above Codec Selection.
„ Port: The default audio port is 6550.
Note: If your server site is installed a firewall, configure the port settings in the firewall as 4550, 5550,
6550 and 80.