ZyXEL Communications 70 Series User Manual

ZyWALL 5/35/70 Series User’s Guide

Chapter 34 WAN and Dial Backup Setup

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On a ZyWALL with multiple WAN ports, enter 3 in Menu 11 - Remote Node Setup to open 
Menu 11.3 - Remote Node Profile (Backup ISP) (shown below) and configure the setup for 
your Dial Backup port connection.

On a ZyWALL with a single WAN port, enter 2 in Menu 11 - Remote Node Setup to open 
Menu 11.2 - Remote Node Profile (Backup ISP) and configure the setup for your Dial 
Backup port connection.

Table 192   Advanced WAN Port Setup: Call Control Parameters

Call Control

Dial Timeout (sec)

Enter a number of seconds for the ZyWALL to keep trying to set up an outgoing 

call before timing out (stopping). The ZyWALL times out and stops if it cannot set 

up an outgoing call within the timeout value. 

Retry Count

Enter a number of times for the ZyWALL to retry a busy or no-answer phone 

number before blacklisting the number.

Retry Interval (sec) Enter a number of seconds for the ZyWALL to wait before trying another call after 

a call has failed. This applies before a phone number is blacklisted. 

Drop Timeout (sec) Enter a number of seconds for the ZyWALL to wait before dropping the DTR 

signal if it does not receive a positive disconnect confirmation.

Call Back Delay 

(sec)

Enter a number of seconds for the ZyWALL to wait between dropping a callback 

request call and dialing the co-responding callback call.