Yealink SIP-T27P Enterprise HD IP Phone

Η SIP-T27P είναι μια πλούσια σε χαρακτηριστικά SIP τηλεφωνική συσκευή για επιχειρήσεις. Είναι σχεδιασμένη με βάση την ευκολία στη χρήση, ακόμη και στις πιο μικρές λεπτομέρειες. Το αποτέλεσμα προσφέρει εξαιρετική ποιότητα ήχου, καθώς και πλούσια οπτική εμπειρία. Η T27P προσφέρει επίσης ένα ευρύ φάσμα λειτουργιών, όπως SCA, BLF list, προώθηση κλήσης, μεταφορά κλήσης, 3-way conference, και πολλά άλλα χαρακτηριστικά. Χρησιμοποιεί standard πρωτόκολλα κρυπτογράφησης για να εκτελεί εξαιρετικά ασφαλές remote provisioning και αναβαθμίσεις λογισμικού.

Features     

• Yealink Optima HD voice 
• 3.66" 240x120-pixel graphical 
• LCD with backlight
• Up to 6 SIP accounts
• Paper label free design 
• PoE support
• Headset, EHS support
• Integrated stand with 2 adjustable angles
• Wall mountable (optional)
• Simple, flexible and secure provisioning options
• 1 year warranty

Specification     
Audio Features

• HD voice: HD handset, HD speaker
• Wideband codec: G.722
• Narrowband codec: G.711(A/μ), G.729AB, G.726, iLBC
• DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO 
• Full-duplex hands-free speakerphone with AEC
• VAD, CNG, AEC, PLC, AJB, AGC

Phone Features

• 6 VoIP accounts
• One-touch speed dial, redial
• Call forward, call waiting
• Call transfer, call hold
• Call return, group listening
• Mute, auto answer, DND
• 3-way conference call
• Direct IP call without SIP proxy
• Ring tone selection/import/delete
• Hotline, emergency call
• Set date time manually or automatically
• Dial plan
• ΧML Browser, 
• Action URL/URI
• Integrated Screenshots
• RTCP-XR

Directory

• Local phonebook up to 1000 entries
• Black list
• XML/LDAP remote phonebook
• Intelligent search method
• Phonebook search/import/export
• Call history: dialed/received/missed/forwarded

IP-PBX Features

• Busy Lamp Field (BLF)
• Bridged Line Apperance(BLA)
• Anonymous call, anonymous call rejection
• Hot-desking
• Message Waiting Indicator (MWI)
• Voice mail
• Call park, call pickup
• Intercom, paging, 
• Music on hold
• Call recording

Display and Indicator

• 3.66" 240x120-pixel graphical LCD with backlight
• LED for call and message waiting indication
• Dual-color (red or green) illuminated LEDs for line status information
• Intuitive user interface with icons and soft keys
• National language selection
• Caller ID with name, number

Feature keys

• 8 line keys with LED
• 8 line keys can be programmed up to 21 various features (3-page view)
• 8 features keys: message, headset, conference, mute, hold, transfer, redial, hands-free speakerphone
• 4 context-sensitive “soft” keys
• 6 navigation keys
• 2 volume control keys
• Illuminated message key
• Illuminated headset key

Interface

• 1xRJ9 (4P4C) handset port
• 1xRJ9 (4P4C) headset port 
• 1XRJ12 (6P6C) EHS port
• Power over Ethernet (IEEE 802.3af), Class 2

Other Physical Features

• Stand with 2 adjustable angles 
• Wall mountable (optional)
• External universal AC adapter (optional): AC 100~240V input and DC 5V/1.2A output
• Power consumption (PSU): 1.17～3.32W
• Power consumption (PoE): 1.60～5.94W
• Dimension(W*D*H*T):
• 265mm x 210mm x 170.5mm x 53.5mm
• Operating humidity: 10-95%
• Operating temperature: -10~50°C

Package Features

• Qty/CTN: 5 PCS
• N.W/CTN: 
• G.W/CTN: 
• Giftbox size: 300mm x 225mm x 118mm
• Carton Meas: 610mm x 310mm x 238mm

Management

• Configuration: browser/phone/auto-provision
• Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
• Auto-provision with PnP
• Zero-sp-touch TR-069
• Reset to factory, reboot
• Package tracing export, system log

Network and Security

• SIP v1 (RFC2543), v2 (RFC3261)
• NAT transverse: STUN mode
• Proxy mode and peer-to-peer SIP link mode
• IP assignment: static/DHCP
• HTTP/HTTPS web server
• Time and date synchronization using SNTP
• UDP/TCP/DNS-SRV(RFC 3263)
• QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
• SRTP for voice 
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication using MD5/MD5-sess
• OpenVPN, IEEE802.1X
• IPv6