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Yealink SIP-T28P

Advanced Executive IP Phone 6-Line Executive IP Phone with DSS keys and extra large LCD screen.

Yealink-SIP-T28P is an executive IP phone designed for true versatility and optimum efficiency in the dynamic office environment. Unrivalled HD voice quality, innovative functional richness and friendly user interface combine with contemporary design for a truly advanced professional handset.

Network Features

SIP v1(RFC2543), v2(RFC3261)

NAT transverse: STUN mode

IP Assignment: Static/DHCP/PPPoE

In-Band DTMF, Out-of-Band DTMF, SIP Info Proxy mode and Peer-to-peer SIP link mode

TFTP/DHCP/PPPoE client

Telnet/HTTP server

DNS client

NAT/DHCP server

Support VLAN, QoS

PoE optional

Voice Features

Wideband Codec: G.722, voice spectrum between 50-7000Hz

Narrowband Codecs: G.711, G.726, G.723.1/iLBC, G.729AB and GSM VAD, CNG, AEC, PLC, AJB, AGC

Full-duplex hands-free speakerphone

-compliant with IEEE 1329 support Hearing Aid Compatible (HAC)

Security

Secure RTP

Digest authentication using MD5/MD5- sess

Secure configuration file via AES encryption

Telephony Features

Call Hold, Call Waiting, Call Transfer, Call Forward

Caller ID, Call List, DND, Redial, Flash

3-way Conference, Speed Dial

Personal Ring Tone,

Voicemail

Volume Adjustment, Mute,

Speakerphone

Logo Customization, Black List, Phone Lock

Admin/User Configuration Mode

Contact List Export/Import

System Log Export/Import

Hotline, Signal Tone Settable

Multi-language

IP PBX System Integration

SMS, BLF/BLA, Paging, Intercom

Downloadable enterprise phonebook

Call Park, Call Pickup,

Distinctive Ringtone

Auto-answer, Dial Plan, Dial-now

Config, Upgrade and Usage

Firmware Upgrade: TFTP/Console/Autoprovision

Auto-provision: TR069 Optional

Direct IP call without SIP proxy

Dial number via SIP server

Dial URL via SIP server

Physical Features

TI Titan Chipset

LCD: White backlit 320x160

4-level grayscales

16 DSS Keys,

4 soft keys

Network Interface: 2xRJ45 10/100M ports

Headset port: RJ9

Expension Module Port

Speaker: 8 Ohm/1 Watt

Dimension: 310 x 290 x 110 mm

Weight: 1.6 kg

Power adapter: Input: AC 100~240V

Output: DC 5V/1A

Operating humidity: 10~95%

Storage temperature: up to 60 C

Certifications

WEEE


 
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