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Chapter 10 The VoIP Account Screens
WiMAX Device Configuration User’s Guide
167
The following table describes the labels in this screen.
10.7 FAX
Click VoIP > Account 1 (or Account 2) > FAX to configure which standard the account uses for
fax services.
Figure 97 FAX
The following table describes the labels in this screen.
10.8 Technical Reference
The following section contains additional technical information about the WiMAX Device features
described in this chapter.
10.8.1 SIP Call Progression with Session Timer
The following figure displays the basic steps in the setup and tear down of a SIP call with session
timer supported by both peers. The UPDATE method is used to refresh the session. A calls B and
Table 74 Dialing
LABEL DESCRIPTION
Inter-digit
Timeout
Set the time in seconds (1~5) the WiMAX Device waits for each digit input of a
complete callee number after you press the first key on the phone.
If the WiMAX Device cannot receive the next digit entered within this time
period, the WiMAX Device processes digits you have dialed.
First-digit
Timeout
Set the number of seconds (5~30) for the WiMAX Device to wait for you to
start dialing a number after you pick up the telephone receiver. If you do not
dial any number within that time period, the dial tone becomes a busy signal.
Put back the receiver and pick it up again if you want to make a new call.
Table 75 FAX
LABEL DESCRIPTION
Options Select which standard the WiMAX Device uses to handle faxes. The peer devices must
also use standard.
G.711A Pass Through - Select this option to send and receive fax messages over the
network or Internet using VoIP (G.711a). By encoding fax data as audio data, faxes
may be susceptible to packet loss and other errors. However, as this standard is
considerably older than T.38, it is more compatible with older obsolete systems.
T.38 FAX Relay - WiMAX Device encodes fax messages to T.38 packets and sends as
UDP packets through IP networks. This provides better quality, but it may have
interoperability problems.