Product Description
The SIP-T27G is a feature-rich sip phone for business. It has been designed by pursuing ease of use in even the tiniest details.Delivering a superb sound quality as well as rich visual experience. The T27G also offers a wide range of functions, like SCA, BLF List, call forward, call transfer, 3-way conference,and up to support various features.Using standard encryption protocols to perform highly secure remote provisioning and software upgrades.
Yealink SIP-T27G Summary
HD Audio
Yealink Optima HD Voice refers to the combination of software and hardware design as well as the implementation of wideband technology to maximize acoustic performance. Coupled with advanced acoustic clarity technology such as full duplex, echo cancellation, and an adaptive jitter buffer, the T27P creates an amazing face-to-face like communication experience.
Enhanced Call Management
The SIP-T27G supports productivity-enhancing feature such as SCA, BLF List, call forward, call transfer, and 3-way conferencing. Three pages of 8 flexible buttons are shown on the display, and can be programmed with DSS functions, line appearances, BLFs, and more. The T27G also supports the Yealink EHS36 for one-touch call answering and ending with compatible wireless headsets.
Efficient Installation and Provisioning
Integrated IEEE 802.3af Power-over-Ethernet allows easy deployment with one cable providing data and power the phone. The SIP-T27G supports FTP, TFTP, HTTP, and HTTPS protocols for file provisioning and are configured to use TFTP by default. For secure provisioning and configuration, the T27G supports AES encrypted XML configuration files.
Highly secure transport and interoperability
The T27G can be configured to use SIP over Transport Layer Security (TLS/SSL) to provide users with the latest technology for enhanced calling and network security. This TSL/SSL functionality is certified with 3CX Phone System, Asterisk, and Broadsoft Broadworks, ensuring compatibility with these leading phone systems and soft switches.
Yealink SIP-T27G Core Features
- Yealink Optima HD voice
- 3.66" 240x120-pixel graphical LCD with backlight
- Up to 6 SIP accounts
- Paper label free design
- PoE support
- Headset, EHS support
- Integrated stand with 2 adjustable angles
- Wall mountable (optional)
- Simple, flexible and secure provisioning options
Yealink SIP-T27G Technical Specifications
Audio Features
- HD voice: HD handset, HD speaker
- Wideband codec: G.722
- Narrowband codec: G.711(A/μ), G.723.1, 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
IP-PBX Features
- Busy Lamp Field (BLF)
- Bridged Line Apperance(BLA)
- Anonymous call, anonymous call rejection
- Hot-desking
- Message Waiting Indicator (MWI)
- Voice mail
- Call park, call pickup
- Intercom, paging,
- Music on hold
- Call recording
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
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 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
- National language selection
- Caller ID with name, number
Feature keys
- 8 line keys with LED
- 8 line keys can be programmed up to 21 various features (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
Management
- Configuration: browser/phone/auto-provision
- Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
- Auto-provision with PnP
- Zero-sp-touch
- Reset to factory, reboot
- Package tracing export, system log
Interface
- 1xRJ9 (4P4C) handset port
- 1xRJ9 (4P4C) headset port
- 1XRJ12 (6P6C) EHS port
- Power over Ethernet (IEEE 802.3af), Class 2
Package Features
- Qty/CTN: 5 PCS
- N.W/CTN:
- G.W/CTN:
- Giftbox size: 300mm x 225mm x 118mm
- Carton Meas: 610mm x 310mm x 238mm
Other Physical Features
- Stand with 2 adjustable angles
- Wall mountable (optional)
- External universal AC adapter (optional) AC 100~240V input and DC 5V/1.2A output
- Power consumption (PSU): 1.17?3.32W
- Power consumption (PoE): 1.60?5.94W
- Dimension(W*D*H*T): 265mm x 210mm x 170.5mm x 53.5mm
- Operating humidity: 10-95%
- Operating temperature: -10~50 C
Network and Security
- SIP v1 (RFC2543), v2 (RFC3261)
- NAT transverse: 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
