Yealink SIP-T28P6 lines, PoE, 320x160 display, HD voice, 16 programmable Keys

The 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.

Key Features

• 320x160 graphic LCD with 4-level grayscales
• 6 VoIP accounts, Broadsoft 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

Phone Features

• 6 VoIP accounts, hotline, emergency call
• Call waiting, call transfer, call forward
• Hold, mute, flash, auto-answer, redial
• 3-way conference, DND, speed dial
• XML Phonebook search/import/export
• Black list, call history (100 entries)
• Volume adjustment, ring tone selection
• Tone scheme, System log
• Multi-language (more than 20)
• Supports up to 6 expansion modules

IP PBX System Integration

• Dial plan, dial-now
• SMS, Voicemail, MWI
• BLF/BLA, intercom, paging
• Call park, call pickup
• Distinctive ringtone

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

Network Features

• SIP v1 (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
• Bridge/router mode
• TFTP/DHCP/PPPoE client
• Telnet/HTTP/HTTPS server
• DNS client
• NAT/DHCP server

Management

• 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

• 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

Physical Features

• 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 60°C

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