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USERS GUIDE
16
4.5
Voice settings
The device provides one RJ11 connector to connect fix-line phone in order to offer
voice service based on CS domain.
Call settings
DTMF and FSK selection
There are two kind of information transmission modes for display of incoming
call
:
DTMF and FSK
。
User can choose the specific information transmission mode
according to their own country or region.
Note
:
we recommend that please keep the distance over 1.5 meters between the device
and external telephone or fax in order to avoid signal interference in voice quality made by
device.