ZyXEL Communications X6004 User Manual

 Chapter 22 Call Services

X6004 User’s Guide

Figure 183   Distinctive Ring 

The following table describes the labels in this screen. 

The auto callback feature is used when a caller encounters a busy signal when dialing one of 
the extensions. The caller can then request the X6004 to automatically call both parties when 
both of the extensions are free.  
Click Configuration > PBX > Call Settings > Auto Callback to configure the auto callback 
feature.

Figure 184   Auto Callback

The following table describes the labels in this screen. 

Table 88   Distinctive Ring 

Active

Select this to activate the distinctive ring feature.

Ring Tone

Select a ring tone and press Playback to listen to the ring tone on the computer that 

you are configuring the X6004.

Internal Call

Select the ring tone for internal calls (calls from one extension to another extension 

on the X6004).

SIP Trunk

Select the ring tone for calls coming in from the SIP trunk (for example your 

connection to the ITSP).

FXO

Select the ring tone for calls coming in from the FXO trunk (for example your 

connection to the PSTN).

Apply

Click this to save your changes.

Reset

Click this to set every field in this screen to its last-saved value.

Table 89   Auto Callback 

Active

Select this to activate the auto callback feature.

Queue Size

Select a limit to the number of auto callback requests for the X6004.