Yealink SIP-T21 E2 User Manual page 9

Busy Lamp Field (BLF) ..................................................................................................... 105
BLF List ............................................................................................................................... 107
Call Recording .................................................................................................................. 109
Hot Desking ...................................................................................................................... 111
Intercom ............................................................................................................................ 112
Outgoing Intercom Calls .............................................................................................. 112
Incoming Intercom Calls .............................................................................................. 113
Using Intercom .............................................................................................................. 114
Multicast Paging ............................................................................................................... 115
Sending RTP Stream ..................................................................................................... 115
Receiving RTP Stream ................................................................................................... 118
Using Multicast Paging ................................................................................................. 120
Music on Hold ................................................................................................................... 121
Automatic Call Distribution (ACD).................................................................................. 122
Shared Call Appearance (SCA) .................................................................................... 123
Configuring SCA Feature on the IP Phone ................................................................. 123
Using SCA Feature on the IP Phone ............................................................................ 130
Bridged Line Appearance (BLA) .................................................................................... 136
Configuring BLA Feature on the IP Phone .................................................................. 137
Using BLA Feature on the IP Phone ............................................................................. 140
Messages .......................................................................................................................... 142
Short Message Service (SMS) .................................................................................... 142
Voice Mail ...................................................................................................................... 145
Message Waiting Indicator (MWI) ............................................................................. 146
Troubleshooting .....................................................................149
Regulatory Notices ................................................................157
Service Agreements ........................................................................................................ 157
Limitations of Liability ...................................................................................................... 157
Safety Instructions ............................................................................................................ 157
Appendix A - Time Zones ......................................................159
Index ......................................................................................161
Table of Contents
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