ZyXEL Communications ISG50 User Manual

 Chapter 30 Outbound Trunk Group

ISG50 User’s Guide

your DID (Direct Inward Dialing) settings. In the the Outbound Trunk Group configuration 
screen, select a SIP trunk and click the Auto-Attendant icon to view the screen as shown.

SIP Auto Attendant and DDI Setup

Each field is described in the following table.

SIP Auto Attendant and DDI Setup

Auto-Attendant 
Setting

Apply AA

Select an Auto Attendant or ACD skill profile used for the calls incoming through this 
outbound line trunk.

Select default to forward all incoming calls on this outbound line group according to each 
extension’s settings.

Select ACD if you want to forward all incoming calls on this outbound line group to the 
group of agents associated with a specific skill name.

Select FAX if you want to forward all incoming calls on this outbound line group to a fax 
machine located at a specific extension. 

Select Extension if you want to directly forward all incoming calls through this outbound 
line group to an extension.

Skill

This field displays if you select ACD in the Apply AA field. Select the skill name of the 
agents to associate with this outbound line trunk.

Extension 
Number for Fax

This field is only available if you select FAX in the Apply AA field. Type the extension of 
the fax machine you want to forward calls to. 

Extension 
Number

This field is only available if you select Extension in the Apply AA field. Type an 
extension you want to forward calls to. 

DDI/DID Mapping 
Setting

Representative 
Number

This field displays the representative number configured for the trunk.