DVTEL CF-4221-00, User'S Installation Manual

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DVTel CF-4221-00 Fixed IP Camera User & Installation Guide
96
Transmission Mode

Full-duplex (Talk and Listen simultaneously)
In the Full-duplex mode, the local and remote sites can communicate with each
other simultaneously, i.e. both sites can speak and be heard at the same time.

Half-duplex (Talk or Listen, not at the same time)
In the Half-duplex mode, the local/remote site can only talk or listen to the other
site at a time.

Simplex (Talk only)
In the Talk only Simplex mode, the local/remote site can only talk to the other
site.

Simplex (Listen only)
In the Listen only Simplex mode, the local/remote site can only listen to the
other site.

Disable
Select the item to turn off the audio transmission function.
Server Gain Setting
Set the audio input/output gain levels for sound amplification. The audio gain values are
adjustable from 1 to 6. The sound will be turned off if the audio gain is set to “
Mute ”.
Bit Rate
Selectable audio transmission bit rate include 16 kbps (G.726), 24 kbps (G.726), 32 kbps
(G.726), 40 kbps (G.726), uLAW (G.711) and ALAW (G.711). Both uLAW and ALAW signify
64 kbps but in different compression formats. Higher bit rate will let higher audio quality and
require bigger bandwidth.
Click “ Save ” to confirm the setting.