Installation guide

57
Relevant settings used for FAX over VoIP.
FAX Mode
Compression mode used for transferring FAX. By default is T.38 Relay.
FAX Bypass Codec
Select the compression mode when FAX Mode selects Bypass.
FAX Bypass Codec Rate
Select the transfer rate of voice packets when FAX Mode selects Bypass.
 DTMF
DTMF are the audible sounds you hear when you press keys on your phone.
DTMF Relay
By default is RFC2833.
After configuration, click Apply to save the settings. Router will auto jump to
the VoIP - Port Settings page.
Figure 3-4. Page of port settings
Step 4
Set Port2~Port8 one by one in turn.
Type
Port1~Port4 are FXS, Port5~Port8 are FXO.
Active
Port1~Port8 are all active (=Enable).
Group
Port1~Port8 are Group1~Group8 independently.