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Yealink T27P Administrator's Guide

Yealink T27P
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Administrators Guide for SIP-T2_Series_T4_Series IP Phones
84
Valid characters are ASCII characters 32-126(0x20-0x7E).
4. Press the Save soft key to accept the change.
Phone lock is used to lock the IP phone to prevent it from unauthorized use. Once the IP
phone is locked, a user must enter the password to unlock it. IP phones offer three types
of phone lock: Menu Key, Function Keys and All Keys. The IP phone will not be locked
immediately after the phone lock type is configured. One of the following steps is also
needed:
- Long press the pound key when the IP phone is idle.
- Press the phone lock key (if configured) when the IP phone is idle.
In addition to the above steps, you can configure the IP phone to automatically lock the
phone after a period of time.
Procedure
Phone lock can be configured using the configuration files or locally.
Configuration
File
<y0000000000xx>
.cfg
Configure the IP phone lock type.
Parameters:
phone_setting.phone_lock.enable
phone_setting.phone_lock.lock_key_type
Change the unlock PIN.
Parameter:
phone_setting.phone_lock.unlock_pin
Configure the IP phone to automatically lock
the phone after a time interval.
Parameter:
phone_setting.phone_lock.lock_time_out
Assign a phone lock key.
Parameter:
linekey.X.type/ programablekey.X.type
Local
Web User
Interface
Configure the phone lock type.
Change the unlock PIN.
Configure the IP phone to automatically lock
the phone after a time interval.
Navigate to:
http://<phoneIPAddress>/servlet?p=feature
s-phonelock&q=load

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Yealink T27P Specifications

General IconGeneral
Wall MountableYes
Local Phonebook1000 entries
BluetoothNo
Wi-FiNo
Gigabit EthernetNo
Display3.66" 240x120 pixel graphical LCD with backlight
Audio FeaturesHD voice, Full-duplex speakerphone
NetworkDual-port 10/100 Ethernet switch
ProtocolsSIP v1 (RFC2543), v2 (RFC3261)
PowerIEEE 802.3af PoE
Connectivity2 x RJ45 10/100M Ethernet ports
Voice CodecsG.711(A/μ), G.722, G.723, G.729AB, G.726
EHSSupports EHS with Plantronics headsets
Headset PortYes
Power Adapter5V DC (optional)

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