User's Manual
Table Of Contents
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GXW42xx User Manual 
Version 1.0.5.43 
2.  A  quick  busy  tone  followed  by  a  restored  call  (on  supported  platforms  only).   This  means  the 
transferee has received a 4xx response for the INVITE and we will try to recover the call.  The busy 
tone is just to indicate to the transferor that the transfer has failed.  
3.  Continuous busy tone.  The phone has timed out. Note:  continuous busy tone does not indicate 
the transfer has been successful, nor does it indicate the transfer has failed.  It often means there 
was a failure to receive second NOTIFY – check firmware for most recent release. 
Attended Transfer 
Assume that Caller A and B are in conversation. Caller A wants to Attend Transfer B to C: 
1.  Caller A presses FLASH on the analog phone for dial tone. 
2.  Caller A then dials Caller C’s number followed by # (or wait for 4 seconds). 
3.  If  Caller C  answers  the call, Caller A  and  Caller  C  are  in conversation. Then A  can  hang  up  to 
complete transfer. 
4.  If Caller C does not answer the call, Caller A can press “flash” to resume call with Caller B.  
Note: When Attended Transfer fails and A hangs up, the GXW42XX will ring back user A to remind A that 
B is still on the call. A can pick up the phone to resume conversation with B. 
3-Way Conferencing 
The GXW42XX supports Bellcore style 3-way Conference.  
Instructions for 3-way conference: 
Assuming that call party A and B are in conversation. A (GXW42XX) wants to bring C in a conference: 
1.  A presses FLASH (on the analog phone, or Hook Flash for old model phones) to get a dial tone. 
2.  A dials C’s number then # (or wait for 4 seconds). 
3.  If C answers the call, then A presses FLASH to bring B, C in the conference. 
4.  If C does not answer the call, A can press FLASH back to talk to B. 
5.  If A presses FLASH during conference, C will be dropped out. 
6.  If A  hangs  up,  the  conference  will  be  terminated  or  transfer  B  to  C  if  “Transfer  on  Conference 
Hangup” set to yes 
Hunting Group 
This feature allows the user to setup a single SIP account on the gateway and have the ability to use all 
FXS ports to make/receive calls. Using this feature, all ports active in same Hunting Group will have the 
same phone number and incoming calls will be distributed in a Linear or Circular manner among the ports 










