User's Manual
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 User Guide Page 35 of 42 
However, if this call is placed on private-hold, no other member of the SCA group will be able to resume 
that call.  
To enable shared call appearance, the user would need to register the shared line account on the phone. 
In addition, they would need to navigate to "Settings"->"Programmable Keys" on the Web UI and set the 
line key mode as "Shared Line". If the user requires more shared call appearances, the user can configure 
multiple line buttons to be "shared line" buttons associated with the account.  
CALL FEATURES 
The  GXP1610/GXP1620/GXP1625/GXP1628/GXP1630  supports  traditional  and  advanced  telephony 
features including caller ID, caller ID with caller Name, call forward and etc.  
Table 10: GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 Call Features 
*30 
Anonymous Calls (for all subsequent calls) 
  Dial *30. 
*31 
Cancel Anonymous (for all subsequent calls) 
  Dial *31. 
*50 
Enable Call Waiting (for all subsequent calls) 
  Dial *50. 
  Note: The subsequent incoming call will hear a busy tone other 
than enter call waiting when the current call is in active. 
*51 
Disable Call Waiting (for all subsequent calls) 
  Dial *51. 
*67 
Selective Anonymous Call(per Call).To enable selective 
anonymous call: 
  Dial *67 and then enter the number to dial out; 
  Dial out. 
  Note: Once set, the firstly dialed call is anonymous. 
 *82 
Call with Caller ID Enabled (per call) 
  Off hook the phone; 
  Dial *82 and then enter the number to dial out. 
*70 
Call with Call Waiting Disable (per Call) 
  Dial *70 and then enter the number to dial out; 
  Dial out. 
  Note: Once set, the first call need not to enter call waiting as 
being supposed to. 
*71 
Call with Call Waiting Enabled (per Call) 










