Yealink T27P Administrator's Guide

Administrator’s Guide for SIP-T2_Series_T4_Series IP Phones
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 Anonymous Call Rejection
 Do Not Disturb
 Busy Tone Delay
 Return Code When Refuse
 Early Media
 180 Ring Workaround
 Use Outbound Proxy in Dialog
 SIP Session Timer
 Session Timer
 Call Hold
 Call Forward
 Call Transfer
 Network Conference
 Feature Key Synchronization
 Transfer on Conference Hang Up
 Directed Call Pickup
 Group Call Pickup
 Dialog Info Call Pickup
 ReCall
 Call Park
 Calling Line Identification Presentation
 Connected Line Identification Presentation
 DTMF
 Suppress DTMF Display
 Transfer via DTMF
 Intercom
Power indicator LED indicates power status and phone status. There are six
configuration options for power indicator LED:
Common Power Light On
Common Power Light On allows the power indicator LED to be turned on.

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)