SIP-T27G

Description

SIP-T27G Standard and Affordable SIP Phone for Business

Yealink T27G Gigabit IP Phone Overview

Yealink’s T27G makes another great addition to their T2 Series Gigabit IP Phone catalog. The SIP-T27G supports Power over the Ethernet (PoE).

With HD technology and Opus wideband code, the T27G delivers superb sound quality and clear, life-like communication.

With extremely fast call handling powered by Gigabit and encrypted remote provisioning and software updates, you can’t go wrong with the Yealink T27G.

Key Features and Benefits

Yealink Optima HD voice
3.66″ 240×120-pixel graphical LCD with backlight
Gigabit
USB 2.0
Opus* codec support
Up to 6 SIP accounts
Paper label free design
PoE support
Headset, EHS support
Supports expansion modules
HD voice: HD handset, HD speaker
Wideband codec: Opus*, G.722
Narrowband codec: Opus*, G.711(A/µ), G.723.1, G.729, G.729AB, G.726, iLBC
DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
Full-duplex hands-free speakerphone with AEC
VAD, CNG, AEC, PLC, AJB, AGC
Enhanced DSS key

HD Audio
Yealink Optima HD Voice technology combines cutting-edge hardware and software
with wideband technology for maximum acoustic performance. Being a totally open,
highly versatile audio codec, Opus, is designed to perform a higher HD audio quality
than other wideband codecs in a high network bandwidth; However, if you’re current
network quality is poor, Opus can provide you with a better audio quality than other
narrowband codecs.

Easy Customization and High Expansibility
With an all-new USB port, the SIP-T27G is your ideally powerful and expandable office
phone with Bluetooth, Wi-Fi, and USB recording features. It has three pages of flexible
buttons which can be programmed with up to 21 paperless DSS keys.

Efficient Installation and Provisioning
The Yealink SIP-T27G supports efficient provisioning and effortless mass deployment
with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help
you realize the Zero Touch Provisioning without any complex manual settings, which
makes it simple to deploy, easy to maintain and upgrade.

Secure Transport and Interoperability
The SIP-T27G uses SIP over Transport Layer Security (TLS/SSL), which is the latest
network security technology. It’s also compatible with leading soft switch suppliers
3CX and Broadsoft Broadworks.

SIP-T27G Specifications

Audio Features
> HD voice: HD handset, HD speaker
> Wideband codec: AMR-WB (optional), Opus*, G.722
> Narrowband codec: AMR-NB (optional), Opus*,
G.711(A/µ), G.723.1, G.729, G.729AB, G.726, iLBC
> DTMF: In-band, Out-of-band(RFC 2833) and SIP
INFO
> Full-duplex hands-free speakerphone with AEC
> VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
> 6 VoIP accounts
> One-touch speed dial, redial
> Call forward, call waiting, call transfer, call hold
> Call return, group listening
> Mute, auto answer, DND
> 3-way conference call
> Direct IP call without a SIP proxy
> Ringtone selection/import/delete
> Hotline, emergency call
> Set date time manually or automatically
> Dial plan, XML Browser, Action URL/URI
> Integrated Screenshots
> RTCP-XR, VQ-RTCPXR
> USB port (2.0 compliant)
Bluetooth earphone through BT40,
Contact synchronization through BT40,
Wi-Fi through WF40,
USB call recording through USB flash drive
> Enhanced DSS key
Directory
> Local phonebook up to 1000 entries
> Blacklist
> XML/LDAP remote phonebook
> Intelligent search method
> Phonebook search/import/export
> Call history: dialed/received/missed/forwarded
IP-PBX Features
> Busy Lamp Field (BLF)
> Bridged Line Appearance (BLA)
> Anonymous call, anonymous call rejection
> Hot-desking, voice mail
> Flexible seating
> Call park, call pickup
> Executive and Assistant
> Centralized call recording
> Visual voice mail

Display and Indicator
> 3.66″ 240×120-pixel graphical LCD with backlight
> LED for call and message waiting for an indication
> Dual-color (red or green) illuminated LEDs for
line status information
> Intuitive user interface with icons and soft keys
> Multilingual user interface
> Caller ID with name and number
> Power Saving
Feature keys
> 8 line keys with LED
> 8 line keys can be programmed up to 21
paperless DSS keys (3-page view)
> 8 features keys: message, headset, conference, mute,
hold, transfer, redial, hands-free speakerphone
> 4 context-sensitive “soft” keys
> 6 navigation keys
> 2 volume control keys
> Illuminated message key
> Illuminated headset key
Interface
> Dual-port Gigabit Ethernet
> Power over Ethernet (IEEE 802.3af), Class 3
> 1 x USB port (2.0 compliant)
> 1 x RJ9 (4P4C) handset port
> 1 x RJ9 (4P4C) headset port
> 1 x RJ12 (6P6C) EHS port
> 1 x RJ12 (6P6C) EXT port:
Supports up to 6 Expansion Modules
Other Physical Features
> Color: Black
> Stand with 2 adjustable angles
> Wall mountable
> External Yealink AC adapter (optional)：
AC 100~240V input and DC 5V/1.2A output
> Power consumption (PSU): 1.4-3.0W
> Power consumption (PoE): 1.7-7.0W
> Dimension (W*D*H*T):
265mm x 210mm x 170.5mm x 53.5mm
> Operating humidity: 10-95%
> Operating temperature: -10~50°C (+14~122°F)
Management
> Configuration: browser/phone/auto-provision
> Auto provision via FTP/TFTP/HTTP/HTTPS
for mass deploy

Auto-provision with PnP
> Zero-sp-touch, TR-069
> Phone lock for personal privacy protection
> Reset to factory, reboot
> Package tracing export, system log
Network and Security
> SIP v1 (RFC2543), v2 (RFC3261)
> Call server redundancy supported
> NAT Traversal: STUN mode
> Proxy mode and peer-to-peer SIP link mode
> IP assignment: static/DHCP
> HTTP/HTTPS web server
> Time and date synchronization using SNTP
> UDP/TCP/DNS-SRV(RFC 3263)
> QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS
DSCP
> SRTP for voice
> Transport Layer Security (TLS)
> HTTPS certificate manager
> AES encryption for configuration file
> Digest authentication
> OpenVPN, IEEE802.1X
> IPv6
> LLDP/CDP/DHCP VLAN
> ICE
Package Features
> Package content:
– Yealink SIP-T27G IP phone
– Handset with handset cord
– Ethernet Cable (1.5m CAT5E UTP Cable)
– Stand
– Quick Start Guide
– Power Adapter (Optional)
– Wall Mount Bracket (Optional)
> Qty/CTN: 5 PCS
> N.W/CTN: 6.6 kg
> G.W/CTN: 7.4 kg
> Giftbox size: 295mm x 224mm x 115mm
> Carton Meas: 602mm x 308mm x 236mm