User's Manual
Grandstream Networks, Inc. GXV3140 USER MANUAL  Page 38 of 83 
 FIRMWARE VERSION 1.0.1.18 Updated : 09/2009 
the user needs. 
Enable Call features  The default is set to YES. If set to NO, the call features are disabled. 
Call Forward 
Unconditional 
Sets the number to forward to unconditionally. 
Call Forward When 
Busy 
Sets the number to forward to when busy. 
Call Forward When No 
Answer 
Sets the number to forward to when no answer. 
Delayed Call Forward 
Wait Time (s) 
The wait time before transferring the call to another extension or to voicemail; 
the default setting is 20 seconds. 
No Key Entry Timeout 
(s) 
Defines the time out duration on no key entry. 
Default setting is 4 seconds. 
Ring Timeout (s)  Defines the time out duration on no answer. 
Default setting is 60 second. 
Transfer on 
Conference Hangup 
Defines whether or not the call is transferred to the other party if the initiator of 
the conference hangs up.   
Default setting is set to No. 
Use # as Dial Key  Selects whether or not # is used as Send. 










