IP Phone User Manual
Grandstream Networks, Inc.  GXP1400/1405 User Manual   Page 15 of 36 
   Firmware version: 1.0.1.83  Last Updated: 08/2011 
Key  Call Features 
*30  Block Caller ID (for all subsequent calls) 
Offhook and dial “*30”. 
*31  Send Caller ID (for all subsequent calls) 
Offhook and dial “*31”. 
*67  Block Caller ID (per call) 
Offhook, dial “*67” and then enter the number to dial out. 
*82  Send Caller ID (per call) 
Offhook, dial “*82” and then enter the number to dial out. 
*70  Disable Call Waiting (per Call) 
Offhook, dial “*70” and then enter the number to dial out. 
*71  Enable Call Waiting (per Call) 
Offhook, dial “*71” and then enter the number to dial out. 
*72  Unconditional Call Forward  
Offhook, dial “*72”. Then enter the number to forward the call and press “#” or OK 
softkey. 
*73  Cancel Unconditional Call Forward 
Offhook, dial “*73” and the phone will hang up. 
*90  Busy Call Forward 
Offhook, dial “*90”. Then enter the number to forward the call and press “#” or OK 
softkey. 
*91  Cancel Busy Call Forward 
Offhook, dial “*91” and the phone will hang up. 
*92  Delayed Call Forward 
Offhook, dial “*92”. Then enter the number to forward the call and press “#” or OK 
softkey. 
*93  Cancel Delayed Call Forward 
Offhook, dial “*93” and the phone will hang up. 
CUSTOMIZED LCD SCREEN & XML 
GXP1400/1405 IP phone support both simple and advanced XML applications: 1) XML Custom Screen and 2) 
XML Downloadable Phonebook. For more information on how to create a downloadable XML phonebook, creating 
a custom idle screen and/or reprogramming the soft-keys on GXP1400/1405, please visit our website at 
http://www.grandstream.com/support. 










