User Guide for the SIP-T28P IP Phone 
58 
Forward 
You can use this key feature to forward an incoming call to someone else. For more 
information, refer to Call Forward on page 88. 
Dependencies: 
Type (Key Event) 
Key Type (Forward)
 
Value (the number you want to forward to) 
Usage: Press the DSS key to forward an incoming call to the number specified in the 
Value field. 
Note 
Transfer 
When there is an active call on the phone, you can use this key feature to handle the call 
differently depending on the transfer mode assigned to the DSS key. 
Dependencies: 
Type (Key Event) 
Key Type (Transfer)
 
Value (the number you want to transfer to) 
Usage: 
  When the transfer mode on DSS key is Blind Transfer, press the DSS key to complete 
the blind transfer to the number specified in the Value field. 
  When the transfer mode on DSS key is Attended Transfer, press the DSS key to dial 
out the number specified in the Value field, and then you can perform the attended 
or semi-attended transfer. 
  When the transfer mode on DSS key is New Call, press the DSS key to place a new 
call to the number specified in the Value field. 
Note   
Hold 
You can use this key feature to place an active call on hold or retrieve a held call. 
Dependencies: 
Type (Key Event) 
Key Type (Hold)
 
Usage:   
1.  Press the DSS key during an active call to place the call on hold. 
Transfer mode on DSS key is configurable via web user interface at the path 
Features->Transfer->Transfer Mode Via Dsskey. 
If the Value field is left blank, the DSS key performs the same function as the TRAN key or 
the Transfer soft key during a call. For more information, refer to Call Transfer on page 95. 
If the Value field is left blank, the DSS key performs the same function as the Forward soft 
key when receiving an incoming call.