The Yealink SIP-T28P is an innovative enterprise Executive IP Phone equipped with the most advanced wideband audio codec G.722. This Yealink SIP-T28P offers unrivalled superb HD voice quality, innovative functional richness, friendly user interface, stylish and elegant design, meanwhile Yealink SIP-T28P supports 6 user accounts, BLF/BLA, 16 programmable function keys and you can increase working efficiency with Yealink SIP-T28P.
The Yealink SIP-T28P (6 Line, PoE - HD Phone) is a 6 Line executive IP phone designed for true versatility and optimum efficiency in the dynamic office environment and Yealink SIP-T28P is IP Phone for the business user who needs rich telephony features, friendly user interface and superb voice quality. Yealink SIP-T28P IP Phone is combined with contemporary design for a truly advanced professional handset.
Features
Yealink SIP-T28P Phone Features:
Yealink SIP-T28P has Busy Lamp Field (BLF) and Shared Bridged Line Appearance (BLA).
Attributes like Call hold, call waiting, call forward, call transfer, DND is available in Yealink SIP-T28P.
Yealink SIP-T28P Voicemail, speed Dial, Flash, Volume Adjustment, Rings Selection can be done according to the user taste and preference.
XML Screen, Downloadable phonebook (XML, LDAP, up to 200 items) and ring tones in Yealink SIP-T28P.
XML screen customization can be done by Yealink SIP-T28P.
Specifications
Specification Features of Yealink SIP-T28 IP Phone:
TI TITAN chipset 320x160 graphic LCD with 4-level grayscales 48 keys including 16 programmable keys 1xRJ9 (4P4C) handset port 1xRJ9 (4P4C) headset port 2xRJ45 10/100M Ethernet ports 1XRJ12 (6P6C) expansion module port Power adapter: AC 100~240V input and DC 5V/1.2A output Power over Ethernet (IEEE 802.3af) Power consumption: 1.6-2.6W Net weight: 1.05KG Dimension: 273x204x42MM Operating humidity: 10~95% Storage temperature: up to 60oC
More About Yealink SIP-T28P
Yealink SIP-T28P Product Overview
TI TITAN chipset and TI voice engine
320 x 160 graphic LCD
6 VoIP accounts, Broadsoft validated
HD Voice: HD Codec, HD Handset, HD Speaker
48 keys including 13 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
Yealink SIP-T28P Features and Specifications:
IP PBX System Integration of Yealink SIP-T28P:
Dial plan, dial-now
SMS, Voicemail, MWI
BLF/BLA, intercom, paging
Call park, call pickup
Distinctive ringtone
Codecs and Voice Features of Yealink SIP-T28P:
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
Network Features of Yealink SIP-T28P:
SIP (RFC2543), v2 (RFC3261)
NAT Traversal: STUN mode
DTMF: In-Band, RFC2833, SIP Info
Proxy mode and peer-to-peer SIP link mode
IP Assignment: Static/DHCP/PPPoE
TFTP/DHCP/PPPoE client
Telnet/HTTP/HTTPS server
DNS client
NAT/DHCP server
Management of Yealink SIP-T28P:
FTP/TFTP/HTTP/PnP auto-provision
Configuration: browser/phone/auto-provision
Direct IP call without SIP proxy
Dial number via SIP server
Dial URL via SIP server
Security Features of Yealink SIP-T28P:
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
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