User's Manual
Table Of Contents
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GXW42xx User Manual 
Version 1.0.5.43 
Call Progress Tones 
Using these settings, user can configure tone frequencies according to 
user  preference.  By  default,  the  tones  are  set  to  North  American 
frequencies.  Frequencies  should  be  configured  with  known  values  to 
avoid uncomfortable high pitch sounds. ON is the period of ringing (ON 
time  in  ms)  while  OFF  is  the  period  of  silence.  In  order  to  set  a 
continuous ring, OFF should be zero. Otherwise it will ring ON ms and 
a pause of OFF ms and then repeat the pattern. 
• “Dial tone” 
• “Ring back tone” 
• “Busy tone” 
• “Reorder tone” 
• “Confirmation tone” 
• “Call-Waiting tone” 
• “Prompt Dial tone” 
• “Conference Party hangup tone” 
Please refer the document below to determine your local call progress 
tones: 
http://www.itu.int/ITU-T/inr/forms/files/tones-0203.pdf 
FXO Failover 
Failover to FXO Gateway 
Enable or disable the Failover FXO Gateway. 
FXO Gateway IP 
IP Address or URI of the FXO gateway. 
System Features 
Disable Direct IP Call 
Disables the Direct IP Call function.  Default is “No”.  If set to “Yes” direct 
IP-to-IP calling will not be supported. 
Inter-port Calling 
With this feature enabled, when the FXS port is unregistered, users can 
use the same extensions of the FXS port for inter-port dialing instead of 
dialing ***7xx. 
Disable SIP NOTIFY 
Authentication 
Disables challenging SIP NOTIFY reboot and resync messages. 
Disable Voice Prompt 
Disables the voice prompt configuration. Default is “No”. If set to “Yes” 
accessing integrated voice menu will be impossible. 
IVR Language 
Choose English, Chinese, or Spanish. 










