Chapter 25 Voice
AX/DX/EX/PX Series User’s Guide
427
 To access this screen, click VoIP > Phone > Region.
Figure 238   VoIP > Phone > Region
The following table describes the labels in this screen.
Note: You need to reboot the Zyxel Device after changing the region settings for it to take 
effect.
25.8  Call Rule
Use this screen to add, edit, or remove speed-dial numbers for outgoing calls. Speed dial provides 
shortcuts for dialing frequently-used (VoIP) phone numbers. You also have to create speed-dial entries if 
you want to call SIP numbers that contain letters. Once you have configured a speed dial rule, you can 
use a shortcut (the speed dial number, #01 for example) on your phone's keypad to call the phone 
number. To access this screen, click VoIP > Call Rule.
Table 156   VoIP > Phone > Region
LABEL DESCRIPTION
Region Setting Select the place in which the Zyxel Device is located.
Call Service Mode Select the mode for supplementary phone services (call hold, call waiting, call 
transfer and three-way conference calls) that your VoIP service provider supports.
• Europe Type – use supplementary phone services in European mode.
• USA Type – use supplementary phone services American mode.
You might have to subscribe to these services to use them. Contact your VoIP 
service provider.
Apply Click this to save your changes and to apply them to the Zyxel Device.
Cancel Click this to set every field in this screen to its last-saved value.