User Guide SIP-T21P IP Phone
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Blacklist ............................................................................................................................ 22
Remote Phonebook ........................................................................................................ 22
Call History Management ................................................................................................ 23
System Customizations ...................................................................................................... 24
Logo Customization ........................................................................................................ 24
Headset Use .................................................................................................................... 25
DSS Keys .......................................................................................................................... 26
Account Management ................................................................................................... 30
Dial Plan ........................................................................................................................... 31
Emergency Number ........................................................................................................ 34
Live Dialpad .................................................................................................................... 34
Hot Line ............................................................................................................................ 35
Basic Call Features ................................................................. 37
Placing Calls ....................................................................................................................... 37
Answering Calls ................................................................................................................. 39
Ending Calls ........................................................................................................................ 40
Redialing Numbers ............................................................................................................ 41
Call Return ........................................................................................................................... 41
Call Mute ............................................................................................................................. 41
Call Hold/Resume ............................................................................................................... 42
Do Not Disturb (DND) ........................................................................................................ 43
Call Forward ....................................................................................................................... 43
Call Transfer ........................................................................................................................ 46
Conference ......................................................................................................................... 47
Local Conference ............................................................................................................ 47
Network Conference ...................................................................................................... 48
Call Park .............................................................................................................................. 49
Call Pickup .......................................................................................................................... 50
Anonymous Call ................................................................................................................. 51
Anonymous Call Rejection ................................................................................................ 52
Advanced Phone Features ..................................................... 55
Busy Lamp Field (BLF) ....................................................................................................... 55
BLF List ................................................................................................................................. 56
Shared Line ......................................................................................................................... 57
Call Recording .................................................................................................................... 59
Hot Desking ........................................................................................................................ 60
Intercom .............................................................................................................................. 62
Outgoing Intercom Calls ................................................................................................ 62
Incoming Intercom Calls ................................................................................................ 62
Multicast Paging ................................................................................................................. 64
Sending RTP Stream ....................................................................................................... 64