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      Yealink SIP-T28P Executive IP Phone w/POE

      Yealink SIP-T28P Executive IP Phone w/POE

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      Ships from United States. Most customers receive within 3-9 days.

      Sold and Shipped by E.O.L. Tech Inc,. a-seller

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      • 1xRJ9 (4P4C) handset port, 1xRJ9 (4P4C) headset port, 2xRJ45 10/100M Ethernet ports, 1xRJ12 (6P6C) expansion module port
      • Wired VoIP

      Yealink SIP-T28P Executive IP Phone w/POE
      Yealink SIP-T28P Executive IP Phone w/POE
      Ships from United States. Most customers receive within 3-9 days.
      Back To Top
      • Overview
      • Specs
      • Warranty & Returns
      Yealink Enterprise HD IP Phone - SIP-T28P

      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-resolution graphical 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.

      Yealink
      • Yealink HD Voice
      • 320x160-pixel graphical LCD
      • Two-port 10/100 Ethernet Switch
      • PoE support
      • Up to 6 SIP accounts
      • Headset, EHS support
      • Supports expansion modules
      • Simple, flexible and secure provisioning options

      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-T26P 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 45 keys, SIP-T26P 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-T26P 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.

      Specification

      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

      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

      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

      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

      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

      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

      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 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

      Learn more about the Yealink Network Technology Co., Ltd SIP-T28P

      Model

      |
      Brand
      Yealink
      Model
      SIP-T28P

      Type

      |
      Type
      Wired VoIP

      Spec

      |
      Security
      HTTPS (server/client)
      SRTP (RFC3711)
      Transport Layer Security (TLS)
      VLAN (802.1 pq), QoS
      Digest authentication using MD5/MD5-sess
      Secure configuration file via AES encryption
      Phone lock for personal privacy protection
      Admin/user configuration mode
      Ports
      1xRJ9 (4P4C) handset port, 1xRJ9 (4P4C) headset port, 2xRJ45 10/100M Ethernet ports, 1xRJ12 (6P6C) expansion module port
      Display
      320x160 graphic LCD with 4-level grayscales
      Power
      Power adapter: AC 100~240V input and DC 5V/1.2A output

      Features

      |
      Features
      TI TITAN chipset and TI voice engine

      6 VoIP accounts, Broadsoft /Avaya/Asterisk validated

      HD Voice: HD Codec, HD Handset, HD Speaker

      48 keys including 16 programmable keys

      BLF/BLA, SMS, Voicemail, Intercom

      Localized language, XML phonebook

      FTP/TFTP/HTTP, PnP Auto-provision

      SRTP/HTTPS/TLS, VLAN, QoS

      PoE, Headset, 2xRJ45, Expansion module

      Power over Ethernet (IEEE 802.3af)

      Codecs and Voice Features:
      Wideband codec: G.722
      Narrowband codec: G.711, G.723.1, G.726, G.729AB
      VAD, CNG, AEC, PLC, AJB, AGC
      Full-duplex speakerphone with AEC

      Additional Information

      |
      Date First Available
      August 13, 2018
      Warranty, Returns, And Additional Information
      • Warranty
      • Limited Warranty period (parts): 1 year
      • Limited Warranty period (labor): 1 year
      • Read full details
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