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 Executive IP Phone w/ Power Supply
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 Features of Yealink SIP-T28P IP Phone:
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 IP Phone:
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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