Modelo preferencial

Yealink SIP-T28P

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O SIP-T28P Yealink representa a próxima geração de telefone VoIP projetado para usuários de negócios que precisam de recursos de telefonia ricos, uma interface de usuário amigável e qualidade de voz excelente. Equipada com o chipset TI TITAN, oferece qualidade de voz de alta definição através de um codec TI motor de voz, HD handset, palestrante HD e HD (G.722). A tela grande e de alta resolução gráfica, combinado com até 48 chaves, garante ao usuário uma experiência excelente em termos de opções de configuração, fazer chamadas e acessar o browse XML express.Para garantir que os dados de áudio permanece confidencial, o SIP-T28P Yealink também suporta padrões de segurança TLS, SRTP, HTTPS, 802.1x, Open VPN e criptografia AES, que protegem contra espionagem eletrônica e roubo de dados.

  • TI TITAN chipset and TI voice engine
  • 320×160 graphic LCD with 4-level grayscales
  • 6 VoIP accounts, Broadsoft /Avaya/Asterisk 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 AE

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
  • 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
  • 320×160 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 (optional):

  • AC 100~240V input and DC 5V/1.2A output
  • Power over Ethernet (IEEE 802.3af)
  • Power consumption (PSU): 1.3-2.1W
  • Power consumption (PoE): 1.8-3.1W

Dimension: (W*D*H*T):

  • 273mm*200mm*158mm*58.5mm

 

  • Operating humidity: 10~95%
  • Operating temperature:  -10~50°C