Yealink SIP-T28P Executive IP Phone

40,706

The Yealink T28P represents the next generation of VoIP phones which are designed for the business user who needs rich telephony features, friendly UI and superior voice quality. The T28P is equipped with the TI TITAN chipset, offers high definition …

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Description

 

The Yealink T28P represents the next generation of VoIP phones which are designed for the business user who needs rich telephony features, friendly UI and superior voice quality. The T28P is equipped with the TI TITAN chipset, offers high definition voice quality through TI voice engine, HD handset, HD speaker and HD codec (G.722).

With a large, high-resolution graphical display and 48 keys, this particular addition to the SIP T2x series offers an excellent user experience to configure, make calls, express XML browser, etc. Moreover, to avoid problems with unwanted violations of your audio data, the Yealink 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 SIP-T28P Key Features:

  • 6 Line Appearances
  • Dual-port 10/100 Ethernet
  • Yealink Optima HD Voice Supported
  • Up to 6 SIP accounts
  • Full-duplex hands-free speakerphone
  • Supports Yealink EXP39/EXP38 expansion modules
  • RJ9 Headset Port
  • 320×160 graphic LCD with 4-level grayscales
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

    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
    > 320×160-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 applicationOther 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

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