Yealink T27P Administrator's Guide

Table of Contents
xi
Use Outbound Proxy in Dialog ................................................................................................... 196
SIP Session Timer ......................................................................................................................... 198
Session Timer ............................................................................................................................... 200
Call Hold ....................................................................................................................................... 203
Call Forward ................................................................................................................................ 208
Call Transfer ................................................................................................................................. 227
Network Conference ................................................................................................................... 230
Feature Key Synchronization ...................................................................................................... 232
Transfer on Conference Hang Up .............................................................................................. 234
Directed Call Pickup .................................................................................................................... 235
Group Call Pickup ........................................................................................................................ 244
Dialog Info Call Pickup ................................................................................................................ 252
ReCall ............................................................................................................................................ 254
Call Park ....................................................................................................................................... 258
Calling Line Identification Presentation ..................................................................................... 262
Connected Line Identification Presentation .............................................................................. 264
DTMF ............................................................................................................................................. 265
Suppress DTMF Display .............................................................................................................. 271
Transfer via DTMF ........................................................................................................................ 273
Intercom ........................................................................................................................................ 275
Outgoing Intercom Calls ...................................................................................................... 275
Incoming Intercom Calls ...................................................................................................... 279
Configuring Advanced Features...........................................283
Distinctive Ring Tones .................................................................................................................. 284
Tones ............................................................................................................................................. 290
Remote Phone Book .................................................................................................................... 297
LDAP .............................................................................................................................................. 301
Busy Lamp Field ........................................................................................................................... 313
BLF List .......................................................................................................................................... 322
Hide Features Access Code ....................................................................................................... 329
Automatic Call Distribution ......................................................................................................... 331
Message Waiting Indicator ........................................................................................................ 336
Multicast Paging .......................................................................................................................... 341
Sending RTP Stream ............................................................................................................. 342
Receiving RTP Stream .......................................................................................................... 351
Call Recording ............................................................................................................................. 355
Hot Desking .................................................................................................................................. 361
Action URL .................................................................................................................................... 365
Action URI ..................................................................................................................................... 381
Capturing the Current Screen of the Phone ....................................................................... 385
Server Redundancy ..................................................................................................................... 386
SIP Server Domain Name Resolution .................................................................................. 395
Static DNS Cache ........................................................................................................................ 399

Yealink T27P Specifications

General

Wall Mountable	Yes
Local Phonebook	1000 entries
Bluetooth	No
Wi-Fi	No
Gigabit Ethernet	No
Display	3.66" 240x120 pixel graphical LCD with backlight
Audio Features	HD voice, Full-duplex speakerphone
Network	Dual-port 10/100 Ethernet switch
Protocols	SIP v1 (RFC2543), v2 (RFC3261)
Power	IEEE 802.3af PoE
Connectivity	2 x RJ45 10/100M Ethernet ports
Voice Codecs	G.711(A/μ), G.722, G.723, G.729AB, G.726
EHS	Supports EHS with Plantronics headsets
Headset Port	Yes
Power Adapter	5V DC (optional)