ZyXEL Communications FMG3024-D10A User Manual

 Chapter 18 VoIP

FMG3024-D10A / FMG3025-D10A Series User’s Guide

Min-SE

Enter the minimum number of seconds the Device lets a SIP session remain idle 
(without traffic) before it automatically disconnects the session. When two SIP 
devices start a SIP session, they must agree on an expiration time for idle 
sessions. This field is the shortest expiration time that the Device accepts.

Dialing Interval Selection

Dialing Interval 
Selection

Enter the number of seconds the Device should wait after you stop dialing 
numbers before it makes the phone call. The value depends on how quickly you 
dial phone numbers.

Phone Key Config

Use this section to customize the phone keypad combinations you use to access certain features on 
the Device.

Call Return

 Specify the key combinations that you can enter to place a call to the last 
number that called you.

Caller Display Call This code is used to display the caller ID for outgoing calls.

Caller Hidden Call This code is used to hide the caller ID for outgoing calls.

One Shot Caller 
Display Call

This code is used to display the caller ID only for the phone call your are going to 
make.

One Shot Caller 
Hidden Call

This code is used to hide the caller ID only for the phone call your are going to 
make.

Call Waiting 
Enable

This code is used to turn the call waiting feature on. With call waiting, you hear a 
special beep notifying you of another incoming call while you have a call. It 
allows you to place the first incoming call on hold and answer the second call so 
that you won’t miss any important calls.

Call Waiting 
Disable

This code is used to turn the call waiting feature off.

One Shot Call 
Waiting Enable

This code is used to enable call waiting only for the phone call your are going to 
make. See the description for the Call Waiting Enable field for more 
information.

One Shot Call 
Waiting Disable

This code is used to disable one shot call waiting.

Internal Call

Specify the key combinations that you can enter to call the phone(s) connected 
to the Device.

Call Transfer

This code is used to enable call transfer that allows you to transfer an incoming 
call (that you have answered) to another phone.

Unconditional Call 
Forward Enable

This code is used to enable unconditional call forwarding. Incoming calls are 
always forwarded to a specified number without any condition.

Unconditional Call 
Forward Disable

This code is used to disable unconditional call forwarding.

No Answer Call 
Forward Enable

This code is used to enable call forwarding when there is no answer at a SIP 
number (no one picked up the connected phone that uses the SIP number).

No Answer Call 
Forward Disable

This code is used to disable call forwarding when there is no answer at a SIP 
number (no one picked up the connected phone that uses the SIP number).

Call Forward 
When Busy 
Enable

This code is used to enable call forwarding when the phone is busy.

Call Forward 
When Busy 
Disable

This code is used to disable call forwarding when the phone is busy.

Do Not Disturb 
Enable

This code is used to turn the do not disturb feature on. This has the Device reject 
all calls destined to the phone line.

VoIP > SIP > SIP Service Provider (continued)