Yealink SIP-T28P Executive IP Phone w/POE

Name: Yealink SIP-T28P Executive IP Phone w/POE
SKU: 9SIAAEE8246849

SKU: 9SIAAEE8246849Thương hiệu: KHAC

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Điện ước tính: 86 kWh/tháng · ~280.800 ₫/thángTính TCO chi tiết

Bảo hành 36 tháng

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Giao sau 10 ngày

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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 HD Voice
320×160-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)

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 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

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	320×160 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