Cortelco (Yealink Branded) Executive VoIP Phone (with POE), 6 VoIP Accounts
$ 114.24 $ 189.00 Not Available
Condition:
New
Item No.
749663
Mfg Part No.
SIP-T28P

Product Information for Cortelco (Yealink Branded) Executive VoIP Phone (with POE), 6 VoIP Accounts

Highlights for Cortelco (Yealink Branded) Executive VoIP Phone (with POE), 6 VoIP Accounts

Marketing Information

Yealink SIP-T28P represents the next generation VoIP phone which designed for the business user who needs rich telephony features, friendly UI and super voice quality. It is equipped with the 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, express XML browser, etc. Moreover, to avoid problems with unwanted violations of your audio data, Yealink SIP-T28P supports the security standards TLS, SRTP, HTTPS, 802.1x, Open VPN and AES encryption which are necessary to protect against electronic eavesdropping and data theft.

Technical Information

  • 6 VoIP accounts, Hotline, Emergency call
  • Call hold, Call waiting, Call forward, Call return
  • Call transfer (blind/semi-attended/attended)
  • Caller ID display, Redial, Mute, DND
  • Auto-answer, 3-way conferencing
  • Speed dial, SMS, Voicemail
  • Message Waiting Indication (MWI) LED
  • Tone scheme, Volume control
  • Direct IP call without SIP proxy
  • Ring tone selection/import/delete
  • Phonebook (300 entries), Black list
  • Call history: dialed/received/missed/forwarded
  • Menu-driven user interface
  • Localized language and input method
  • Soft keys programmable
  • Supports up to 6 expansion modules(EXP38 and EXP39)
  • Supports Wireless Headset Adapter(EHS36)


  • Advanced Features

  • XML phonebook search/import
  • LDAP phonebook
  • XML Browser, Hot-desking
  • PUSH XML
  • Action URL & Active URI


  • IP PBX System Integration

  • Busy lamp field (BLF), BLF list
  • Bridged line appearance (BLA)
  • DND&Forward synchronization
  • Intercom, Paging, Music on hold
  • Call park, Call pickup
  • Call recording, Call completion
  • Group listening, Group pickup
  • Anonymous call, Anonymous call rejection
  • Network conference
  • Distinctive ringtone
  • Dial Plan, Dial-now


  • Security

  • Open VPN, 802.1x, VLAN QoS (802.1pq), LLDP
  • Transport Layer Security (TLS)
  • HTTPS (server/client), SRTP (RFC3711)
  • Digest authentication using MD5/MD5-sess
  • Secure configuration file via AES encryption
  • Phone lock for personal privacy protection
  • Admin/VAR/User 3-level configuration mode


  • Network Features

  • SIP v1 (RFC2543), v2 (RFC3261)
  • IPV6
  • DNS SRV (RFC3263)
  • Redundant server support
  • 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 for PC port
  • TFTP/DHCP/PPPoE client
  • Telnet/HTTP/HTTPS server
  • DNS client, NAT/DHCP server
  • Logout


  • Management

  • Auto-provision via FTP/TFTP/HTTP/HTTPS
  • Auto-provision with PnP
  • SNMP V1/2 optional, TR069 optional
  • Configuration: browser/phone/auto-provision
  • Factory configuration customized
  • Trace package and system log


  • General Specification

  • 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) EXT 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 60C