Yealink SIP-T21 User Manual

User Guide for the SIP-T21P/SIP-T21 IP Phone
viii
Volume ............................................................................................................................. 24
Ring Tones ........................................................................................................................ 25
Contact Management ....................................................................................................... 27
Directory........................................................................................................................... 27
Local Directory ................................................................................................................ 28
Blacklist ............................................................................................................................ 38
Remote Phone Book ........................................................................................................ 40
Call History Management ................................................................................................ 42
System Customizations ...................................................................................................... 44
Logo Customization ........................................................................................................ 44
Headset Use .................................................................................................................... 45
DSS Keys .......................................................................................................................... 46
Account Management ................................................................................................... 54
Dial Plan ........................................................................................................................... 55
Emergency Number ........................................................................................................ 60
Live Dialpad .................................................................................................................... 61
Hotline .............................................................................................................................. 62
Basic Call Features ................................................................. 63
Placing Calls ....................................................................................................................... 63
Answering Calls ................................................................................................................. 65
Ending Calls ........................................................................................................................ 66
Redialing Numbers ............................................................................................................ 67
Recent Call In Dialing ........................................................................................................ 67
Auto Answer ....................................................................................................................... 68
Auto Redial .......................................................................................................................... 69
Call Completion ................................................................................................................. 70
Call Return ........................................................................................................................... 71
Call Mute ............................................................................................................................. 71
Call Hold/Resume ............................................................................................................... 72
Do Not Disturb (DND) ........................................................................................................ 73
Call Forward ....................................................................................................................... 76
Call Transfer ........................................................................................................................ 82
Call Waiting ........................................................................................................................ 84
Conference ......................................................................................................................... 84
Local Conference ............................................................................................................ 85
Network Conference ...................................................................................................... 85
Call Park .............................................................................................................................. 87
Call Pickup .......................................................................................................................... 88
Anonymous Call ................................................................................................................. 93
Anonymous Call Rejection ................................................................................................ 94
Advanced Phone Features ..................................................... 95

Yealink SIP-T21 Specifications

General

Brand	Yealink
Model	SIP-T21
Category	IP Phone
Language	English