User's Manual
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 User Guide Page 36 of 42 
  Dial *71 and then enter the number to dial out; 
  Dial out. 
*72 
Unconditional Call Forward. To set up unconditional call forward: 
  Dial *72 and then enter the number to forward the call; 
  Dial out. 
  Note: Once set, all calls will be forwarded to another preset 
number and your phone will not ring. 
*73 
Cancel Unconditional Call Forward. To cancel the unconditional call 
forward: 
  Dial *73. 
 *90 
Busy Call Forward. To set up busy call forward: 
  Dial *90 and then enter the number to forward the call; 
  Dial out. 
 *91 
Cancel Busy Call Forward. To cancel the busy call forward: 
  Dial *91; 
 *92 
Delayed Call Forward. To set up delayed call forward: 
  Dial *92 and then enter the number to forward the call; 
  Dial out. 
 *93 
Cancel Delayed Call Forward. To cancel the delayed call forward: 
  Dial *93. 
  Note: Once set, the incoming call will be forwarded to another 
preset number if no one answers the phone. 
Note:  
If the following feature codes don’t work on your phone, please contact Administrator to turn on the Enable 
Call Features on phone’s Web GUI. Enable Call  Features is under phone’s Web GUI->Account->Call 
Settings tab. 










