Yealink T27P Administrator's Guide

Administrator’s Guide for SIP-T2_Series_T4_Series IP Phones
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provisioning server on the DHCP server, an alternate method of automatically
discovering the provisioning server address is required. Connecting to the secondary
DHCP server that responds to DHCP INFORM queries with a requested provisioning
server address is one possibility. For more information, refer to
http://www.ietf.org/rfc/rfc3925.txt?number=3925.
Procedure
DHCP can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure DHCP on the IP phone.
Parameter:
network.internet_port.type
Configure static DNS address
when DHCP is used.
Parameters:
network.primary_dns
network.secondary_dns
<y0000000000xx>.cfg
Configure the IP phone to use
manually configured static IPv4
DNS.
Parameters:
network.static_dns_enable
Local
Web User Interface
Configure DHCP on the IP phone.
Configure static DNS address
when DHCP is used.
Navigate to:
http://<phoneIPAddress>/servlet
?p=network&q=load
Phone User Interface
Configure DHCP on the IP phone.
Details of Configuration Parameters:
Parameters
Permitted Values
Default
network.internet_port.type
0, 1 or 2
0
Description:
Configures the Internet (WAN) port type for IPv4 when the IP address mode is
configured as IPv4 or IPv4 & IPv6.
0-DHCP

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)