PLANET ICF-1601 - Manual (Page 25)

„ Primary DNS：Enter the Primary DNS Server IP address get from
your ISP manually.
„ Second DNS： Enter the Secondary DNS Server IP address get
from your ISP manually.
[Audio Codec]
The Codec is used to compress the voice signal into data packets. Each
Codec has different bandwidth requirement.
„ Audio Codec： To determine the priority (G711uLaw, G711aLaw
and G729), selects one codec algorithm from the pull-down
menus individually.
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