ZyXEL Communications 5 Series User Manual

Chapter 36 WAN and Dial Backup Setup

ZyWALL 5/35/70 Series User’s Guide

To edit the advanced setup for the Dial Backup port, move the cursor to the Edit Advanced 
Setup field in Menu 2 - WAN Setup, press the [SPACE BAR] to select Yes and then press 
[ENTER].

Figure 371   Menu 2.1: Advanced WAN Setup

The following table describes fields in this menu.

                      Menu 2.1 - Advanced WAN Setup

     AT Command Strings:                  Call Control:

       Dial= atdt                           Dial Timeout(sec)= 60

       Drop= ~~+++~~ath                     Retry Count= 0

       Answer= ata                          Retry Interval(sec)= N/A

                                            Drop Timeout(sec)= 20

     Drop DTR When Hang Up= Yes             Call Back Delay(sec)= 15

     AT Response Strings:

       CLID= NMBR =

       Called Id=

       Speed= CONNECT

        Press ENTER to Confirm or ESC to Cancel:

Table 217   Advanced WAN Port Setup: AT Commands Fields

AT Command 
Strings:

Dial

Enter the AT Command string to make a call.

Drop

Enter the AT Command string to drop a call. “~” represents a one second wait, 
e.g., “~~~+++~~ath” can be used if your modem has a slow response time.

Answer

Enter the AT Command string to answer a call.

Drop DTR When 
Hang Up

Press the [SPACE BAR] to choose either Yes or No. When Yes is selected (the 
default), the DTR (Data Terminal Ready) signal is dropped after the “AT 
Command String: Drop” is sent out.

AT Response 
Strings:

CLID (Calling Line 
Identification)

Enter the keyword that precedes the CLID (Calling Line Identification) in the AT 
response string. This lets the ZyWALL capture the CLID in the AT response 
string that comes from the WAN device. CLID is required for CLID 
authentication.

Called Id

Enter the keyword preceding the dialed number.

Speed

Enter the keyword preceding the connection speed.