ZyXEL Communications 802.11g Wireless ADSL2+ 4-port VoIP IAD P-2602HWNLI - Manual (Page 195)

P-2602HWNLI User’s Guide
Chapter 11 Voice 195
Figure 103 ISDN Line > General
Each field is described in the following table.
Table 71 ISDN Line > General
LABEL DESCRIPTION
ISDN Line Pre-fix
Number
Enter 1 - 7 numbers you dial before you dial the phone number, if you want to
make a regular phone call while one of your SIP accounts is registered. These
numbers tell the ZyXEL Device that you want to make a regular phone call.
Relay to ISDN
Line
Enter phone numbers (for regular calls, not VoIP calls) that you want to dial without
the prefix number. For example, you should enter emergency numbers.
The number (1 - 9) is not a speed-dial number. It is just a sequential value that is
not associated with any phone number.
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.