H2 DeskPhone   
H2P DeskPhone 
 
 
 
8AL90394ENAAed01  46  /111 
 
9  Advance Function 
9.1 BLF (Busy Lamp Field) 
9.1.1  Configure the BLF functionality 
⚫  Page interface: Log in to the telephone page, enter the [Function key] >> [Function key] page, 
select a DSS key, set the function key type as Memory Key, choose the subtype from among 
BLF/NEW CALL, BLF/BXFER, BLF/AXFER, BLF/CONF, set the BLF/DTMF value as the number to 
be subscribed, and set the corresponding SIP line. The pickup number is provided by the server. 
For specific usage, refer to 8.15 Pick up. 
 
Figure 55 - Web page configuration of BLF function key 
⚫  Telephone interface: Long press a function key to enter the function key Settings interface, set the 
key function types as memory keys and the subtype as BLF/NEW CALL, BLF/BXFER, 
BLF/AXFER, BLF/CONF, or BLF/DTMF. The value is the subscription number. Set up the 
corresponding SIP lines. 
 
Figure 56 - Telephone configuration of BLF function key 
Table 8 - BLF Function Key Subtype Parameter List