Products : T2 Series IP Phones

Yealink Desktop IP Phones

Enterprise HD IP Phone SIP-T27G
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Enterprise HD IP Phone
SIP-T27G

With faster response on the phone’s user interface and better device performance, the SIP-T27G IP phone, as the upgraded product of T27P, is Yealink’s latest feature-rich tool unifying superior voice capabilities and increased function extension capability for business. Yealink Optima HD technology and wideband codec of Opus deliver a superb sound quality and bring you a life-like voice communications. With an all-new USB port, the SIP-T27G boasts unparalleled functionality and expansibility, which comes ready for future Bluetooth, Wi-Fi and USB recording features. Seamlessly migrated to GigE-based network infrastructure, SIP-T27G IP phone is also built with the Gigabit Ethernet facilitating very rapidly call handling. By using standard encryption protocols, the SIP-T27G performs highly secure remote provisioning and software upgrades.

> Yealink Optima HD voice
> 3.66" 240x120-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

Audio Features
> 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


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 SIP proxy
> Ring tone selection/import/delete
> Hotline, emergency call
> Set date time manually or automatically
> Dial plan, XML Browser, Action URL/URI
> Integrated Screenshots
> RTCP-XR
> USB port (2.0 compliant) Bluetooth earphone through BT40 (pending), Wi-Fi through WF40 (pending), USB call recording through USB flash drive (pending)
> Enhanced DSS key


Directory
> Local phonebook up to 1000 entries
> Black list
> 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 Apperance (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" 240x120-pixel graphical LCD with backlight
> LED for call and message waiting 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
> 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): 1.44~3.47W
> Power consumption (PoE): 1.72~7.07W
> Dimension (W*D*H*T): 265mm x 210mm x 170.5mm x 53.5mm
> Operating humidity: 10-95%
> Operating temperature: -10~50°C


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 using MD5/MD5-sess
> 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

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RPS is a free service for Yealink customers all over the world. By simply entering the MAC address of an IP phone and the URL of the provisioning server into Yealink's RPS, upon initial boot-up the phone can be redirected to its pre-assigned server for configuration updating.

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Unit 4 Louwlardia Business Park,
122 Bavaria Road, Centurion,
Gauteng, 0157, South Africa

Tel: +27 (0) 10 980 0000
Fax: +27(0) 86 232 0032
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