Yealink T27P Administrator's Guide

Administrator’s Guide for SIP-T2_Series_T4_Series IP Phones
86
Parameters
Permitted Values
Default
Lock->Lock Type
phone_setting.phone_lock.unlock_pin
characters within 15 digits
123
Description:
Configures the password for unlocking the phone.
Web User Interface:
Features->Phone Lock->Phone Unlock PIN (0~15 Digit)
Phone User Interface:
Menu->Settings->Basic Settings->Change PIN
phone_setting.phone_lock.lock_time_out
Integer from 0 to 3600
0
Description:
Configures the interval (in seconds) to automatically lock the phone.
The default value is 0 (the phone is locked only by long pressing the pound key or
pressing the phone lock key).
Note: It works only if the parameter “phone_setting.phone_lock.enable” is set to
1(Enabled).
Web User Interface:
Features->Phone Lock->Phone Lock Time Out (0~3600s)
Phone User Interface:
Menu->Settings->Advanced Settings (default password: admin) ->Phone
Lock->Lock Time Out
Phone Lock Type
The following table lists the operation behavior when configuring the type of phone
lock:
All Keys
Function Keys
Menu key
Idle
screen
Allow Behavior: You are allowed to
press the desired Line Key (key type is
line) or the Speakerphone key to enter
the pre-dialing screen.
Keys not Locked: Line keys (key type is
line), digit keys, volume key and
Speakerphone key.
The same as
All Keys.
The Menu
key (key
type is
menu) is
locked.
Incoming
call
Allow Behavior: You are allowed to
answer or reject incoming calls.
The same as
All Keys.
The Menu
key (key

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)