II8.5 Dial-up Query ........................................................................................................................... 348.6 Auto-Answering ....................................................................................................................... 348.7 Call Back .................................................................................................................................. 368.8 Mute .......................................................................................................................................... 378.8.1 Mute the Call ................................................................................................................. 378.8.2 Ringing Mute................................................................................................................. 388.9 Call Hold/Resume ..................................................................................................................... 398.10 DND.......................................................................................................................................... 398.11 Call Forward ............................................................................................................................. 438.12 Call Transfer ............................................................................................................................. 458.12.1 Blind transfer ............................................................................................................... 458.12.2 Semi-Attended transfer .............................................................................................. 468.12.3 Attended transfer ........................................................................................................ 468.13 Call Waiting .............................................................................................................................. 478.14 Conference ................................................................................................................................ 498.14.1 Local Conference .......................................................................................................... 498.14.2 Network Conference...................................................................................................... 508.15 Call Park ................................................................................................................................... 518.16 Pick Up ..................................................................................................................................... 528.17 Anonymous Call ....................................................................................................................... 548.17.1 Anonymous Call ............................................................................................................ 548.17.2 Ban Anonymous Call .................................................................................................... 558.18 Hotline ...................................................................................................................................... 568.19 Emergency Call ........................................................................................................................ 579 Advance Function ............................................................................................................................. 599.1 BLF (Busy Lamp Field) ............................................................................................................ 599.1.1 Configure the BLF Functionality .................................................................................. 599.1.2 Use the BLF Function ................................................................................................... 619.2 BLF List .................................................................................................................................... 619.3 Record ....................................................................................................................................... 629.3.1 Local Record˄USB flash disk˅ ................................................................................. 639.3.2 Server Record ................................................................................................................ 649.3.3 SIP INFO Record .......................................................................................................... 649.4 Agent ........................................................................................................................................ 659.5 Intercom .................................................................................................................................... 679.6 MCAST..................................................................................................................................... 689.7 SCA˄Shared Call Appearance˅ ............................................................................................ 699.8 Message .................................................................................................................................... 72