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Yealink SIP T28P IP Phone

[YealinkT28P]

Yealink SIP T28P IP Telephone  (User manual)

Key Features 

Yealink SIP T28P is an executive IP phone designed for power users in office environment. It is especially designed for maximum productivity and efficiency in every-day business environment.

HD Voice Quality, innovative functional richness, friendly user interface, stylish and elegant design.Using TI chipset and Voice Engine SIP-T28P offers unrivalled superb

It is definitely able to provide a pleasant and satisfactory end-user experience.

 

6 Lines

 

It supports up to 6 SIP accounts, each with a standalone configuration.

 

HD Voice Quality

It supports advanced wideband voice codec G.722 and full-duplex hands-free speakerphone with enhanced AEC, delivering superior voice clarity.

 

Executive Level Phone

Equiped with 16 programmable function keys with LED, 4 soft keys, and supported BLF, XML Phonebook features, which increase working efficiency.

Network Features

SIP 2.0(RFC3261) protocol, NAT traversal: STUN mode

IP assignment: DHCP / Static IP / PPPoE

Auto-provision: firmware, configuration, ringtone, phonebook etc.

QoS: IEEE 802.1p/q tagging (VLAN), Layer 3 ToS

In-band DTMF, Out-band DTMF and SIP INFO DTMF

Proxy mode and peer-to-peer SIP link mode

Standard encryption and authentication(MD5 and MD5-sess)

 

Phone Features

Supports up to 6 accounts, Hotline, Emergency call

Call hold, Call waiting, Call transfer, Call forward

BLF, Call park, Call pickup, Dial plan, Intercom

3-way conference, DND, Mute, Speed dial, Dial-now, Auto-answer

Voicemail, MWI, SMS, XML phonebook, Black list, Phone lock

Volume adjustment, Rings selection, Tone scheme, Distinctive ringtone

Multi-language, System log export, Admin/User Configuration Mode

 

Voice Features

High-definition Handset, High-definition Speaker

Full-duplex hands-free speakerphone compliant with IEEE 1329

Supports HD Wideband voice codec: G.722

Narrowband voice codecs: G.711, G.726, G.729AB, G.723.1

Supports VAD, CNG, AEC, PLC, AJB, AGC

Supports SRTP voice encryption

 

Physical Features

TI Titan Chipset

White backlit 320x160 pixels graphical LCD with 4-level grayscales

48 keys including 4 soft keys and 16 programmable keys

Supports up to 6 Expansion Modules(6x38 keys with dual-color LED)

2x RJ45 Ethernet ports, 1x RJ9 headset port

PoE(IEEE 802.3af) optional

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