Yealink T27P Administrator's Guide

Configuring Advanced Features
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3. Enter the desired time interval in the Packet Interval (1~3600s) field.
4. Click Confirm to accept the change.
A dialog box pops up to prompt that settings will take effect after a reboot.
5. Click OK to reboot the phone.
To configure LLDP feature via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->LLDP->LLDP Status.
2. Press or , or the Switch soft key to select the desired value from the LLDP
Status field.
3. Enter the priority value (1-3600s) in the Packet Interval field.
4. Press the Save soft key to accept the change.
The IP phone reboots automatically to make settings effective after a period of time.
CDP (Cisco Discovery Protocol) allows IP phones to receive and/or transmit
device-related information from/to directly connected devices on the network that are
also using the protocol, and store the information about other devices.
Procedure
CDP can be configured using the configuration files or locally.
Configuration File
<y0000000000xx>.cfg
Configure CDP.
Parameters:
network.cdp.enable
network.cdp.packet_interval
Local
Web User Interface
Configure CDP.

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)