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Yealink

Yealink T28P Desk Phone

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  • 219 CAD



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HELIA recommends 3CX

3CX is an advanced commercial phone system. We have found it to have the best value of any phone system available today and it supports companies from under 10 up to very large national companies. To find out more about 3CX, visit www.Office-Phone-Systems.ca

The Yealink T28p desk phone is discontinued and is no longer available. We recommend replacing this phone with the Yealink T27p deskphone.

About the Yealink T28P Desk Phone

This phone has been discontinued as of April 2015. The replacement is the Yealink T29G phone which has a large color screen and gigabit network connection.

The Yealink SIP-T28P represents the next generation VoIP phone which designed for the business user who needs rich telephony features, friendly UI and super voice quality. Yealink HD technology enables rich, clear, life-like voice communications. By the large, high-resolutiongraphical display, and together with all the 48 keys, SIP-T28P offers an excellent user experience to configure, make calls, express XML browser, etc. Moreover, to avoid problems with unwanted violations of your audio data, Yealink SIP-T28P supports the security standards TLS, SRTP, HTTPS, 802.1x, Open VPN and AES encryption which are necessary to protect against electronic eavesdropping and data theft.

 

Key Features and Benefits


HD Audio

Yealink HD Voice refers to the combination of software and hardware design as well as the implementation of wideband technology to maximizes the acoustic performance. Coupled with advanced acoustic clarity technology such as full duplex, echo cancellation, adaptive jitter buffer etc. Provide clearer, more lifelike voice communications.

A rich visual experience for applications

SIP-T28P Supports vast productivity-enhancing feature such as XML Browser, BLF, call forward, call transfer, 3-way conferencing, the 4 inch backlit display enables rich visual presentation and easier navigation of the menu, and together with all the 48 keys, SIP-T28P offers an excellent user experience to configure, make calls, etc.

Efficient Installation and Provisioning

Integrated IEEE 802.3af Power-over-Ethernet allows easy deployment with centralized powering and backup.The SIP-T28P support the FTP, TFTP, HTTP, and HTTPS protocols for file provisioning and are configured by default to use Trivial File Transfer Protocol (TFTP), supports AES encrypted XML configuration file.

Highly secure transport and interoperability

The Communicator uses SIP over Transport Layer Security (TLS/SSL) to provide service providers the latest technology for enhanced network security. The range is certified compatible with 3CX, Asterisk and BroadSoft Broadworks, ensuring excellent compatibility with leading soft switch suppliers.

 

 

 

https://www.youtube.com/watch?v=8diBiKk2cL4

https://www.youtube.com/watch?v=Hv600gSF8A8

Specification Sheet

http://www.yealink.com/SupportDownloadfiles_detail.aspx?CateId=184&flag=142

More Specifications

 

Audio Features

  • HD voice: HD handset, HD speaker
  • Codecs: G.722, 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, emergency call
  • Message Waiting Indicator (MWI)
  • Voice mail
  • Call park, call pickup
  • Intercom, paging
  • Music on hold
  • Call completion
  • Call recording

Phone Features

  • 6 VoIP accounts
  • Call hold, mute, DND
  • One-touch speed dial, hotline
  • Call forward, call waiting, call transfer
  • Group listening, SMS
  • Redial, call return, auto answer
  • Local 3-way conferencing
  • Direct IP call without SIP proxy
  • Ring tone selection/import/delete
  • Set date time manually or automatically
  • Dial plan
  • XML Browser
  • Action URL/URI
  • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)

Directory

  • Loal 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

  • 320x160-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

Other Physical Features

  • External universal AC adapter (optional): AC 100~240V input and DC 5V/1.2A output
  • Power consumption (PSU): 1.3-2.1W
  • Power consumption (PoE): 1.8-3.1W
  • Dimension(W*D*H*T): 273mm*200mm*158mm*58.5mm
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C

Feature keys

  • 48 keys including 16 freely programmable keys
  • 8 features keys: message, headset, hold, mute, tran, redial, conf, hands-free speakerphone
  • 4 context-sensitive "soft" keys
  • 6 navigation keys
  • Volume control keys

Interface

  • 2xRJ45 10/100M Ethernet ports
  • Power over Ethernet (IEEE 802.3af), class 2
  • 1xRJ9 (4P4C) handset port
  • 1xRJ9 (4P4C) headset port
  • 1XRJ12 (6P6C) EXT port: Supports up to 6 Expansion Modules for an attendant console application

Network and Security

  • SIP v1 (RFC2543), v2 (RFC3261)
  • Call server redundancy supported
  • NAT transverse: STUN mode
  • Proxy mode and peer-to-peer SIP link mode
  • IP assignment: static/DHCP/PPPoE
  • 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

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

Package Features

  • Qty/CTN: 5 PCS
  • N.W/CTN: 6.9 KG
  • G.W/CTN: 7.6 KG
  • Giftbox size: 285mm * 240mm* 110mm
  • Carton Meas: 580mm*295mm*250mm

Phone System Support Overview

 

Supported Phone Systems

yeastar-soho,fairfire,3cx-professional,simplebusinessphones

Resources and Documents