Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
93
Permitted
Values
Integer from 1000 to 2147483646
Default
1000
Parameter
static.features.hide_zero_touch_url.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to hide the provisioning URL item on the Zero Touch screen.
Permitted
Values
0-Disabled
1-Enabled
Default
0
PnP Provision Configuration
The following table lists the parameter you can use to configure PnP provision.
Parameter
static.auto_provision.pnp_enable <y0000000000xx>.cfg
Description
It triggers the Plug and Play (PnP) feature to on or off.
Permitted
Values
0-Off
1-On, the phone broadcasts SIP SUBSCRIBE messages to obtain a provisioning server URL where
the phone can request the configuration from during startup.
Default
1
Web UI
Settings > Auto Provision > PNP Active
Parameter
static.auto_provision.pnp_check_url.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to match the received provisioning URL with the last one from where
the phone successfully requests the configuration via a PnP provision.
Permitted
Values
0-Disabled
1-Enabled, the phone performs a PnP provision again only when the provisioning URLs are matched.
Default
0
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
DHCP Provision Configuration
You can select to use IPv4 or IPv6 custom DHCP option according to your network environment. The IPv4 or IPv6
custom DHCP option must be in accordance with the one defined in the DHCP server.
The following table lists the parameters you can use to configure the DHCP provision.
Parameter
static.auto_provision.dhcp_option.enable <y0000000000xx>.cfg
Description
It triggers the DHCP Active feature to on or off.
Permitted
Values
0-Off
1-On, the phone obtains the provisioning server address by detecting DHCP options.
Default
1
Web UI
Settings > Auto Provision > DHCP Active
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Auto Provision > DHCP Active

Yealink SIP-T27G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Gold
Wall mountable	Yes
Display diagonal	3.66 \
Display resolution	240 x 120 pixels
RJ-9 ports quantity	2
USB 2.0 ports quantity	1
Voice codecs	CNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Lines quantity	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Bluetooth	-
Security algorithms	AES, MD5
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Volume control	Digital
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	210 mm
Width	265 mm
Height	170.5 mm