ZyXEL Communications max208m 10.7 FAX, 10.8 Technical Reference, LABEL, LABEL, DESCRIPTION, DESCRIPTION, Table 75 FAX, Figure 97 FAX, Table 74 Dialing

Chapter 10 The VoIP Account Screens

The following table describes the labels in this screen.

Table 74 Dialing

LABEL	DESCRIPTION
Inter-digit	Set the time in seconds (1~5) the WiMAX Device waits for each digit input of a
Timeout	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	Set the number of seconds (5~30) for the WiMAX Device to wait for you to
Timeout	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.

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.

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.

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

	167
WiMAX Device Configuration User’s Guide