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Yealink Network Technology Co., Ltd > 
Item#: 9SIA3HG14Z0614

Yealink SIP-T28P Executive IP Phone w/POE

  • 1xRJ9 (4P4C) handset port, 1xRJ9 (4P4C) headset port, 2xRJ45 10/100M Ethernet ports, 1xRJ12 (6P6C) expansion module port
  • Wired VoIP
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Yealink SIP-T28P represents the next generation VoIP phone which designed for the business user who needs rich telephony features, friendly UI and superb voice quality. It is equipped with the leading TI TITAN chipset, offers high definition voice quality through TI voice engine, HD handset, HD speaker and HD codec (G.722). 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, etc. Moreover, to avoid problems with unwanted violations of your audio data, Yealink SIP-T28P supports the security standards TLS, SRTP, HTTPS, and AES encryption which are necessary to protect against electronic eavesdropping and data theft.


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

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Yealink Network Technology Co., Ltd SIP-T28P

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  • Karl M.
  • 7/31/2013 12:10:45 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorked like a charm

Pros: It just worked...no complaints

Cons: None

Did you find this review helpful? Yes No

  • F1 I.
  • 3/30/2012 1:53:00 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsPower10

Pros: Extremely customizable, very quick provisioning, super clear audio. Speakerphone and handset is very clear and loud.

solid build quality.

QoS and port priority are available for networks without VLAN capabilities.

Cons: No gigabit on the lan ports, the color LCD model does.

Other Thoughts: for a grayscale screen, its very clear.

Ability to customize the graphic with your own, same goes for ringtones. Have to go onto the yealink forums to get the windows app to convert graphics do it though. Audio can be done on Win XP and sound recorder program or any other program that can convert to WAV.

Did you find this review helpful? Yes No

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Home > 
Computer Hardware > 
Networking > 
VoIP > 
Yealink Network Technology Co., Ltd > 
Item#: 9SIA3HG14Z0614
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