Το SIP-T48G είναι η πιο πρόσφατη επαναστατική IP τηλεφωνική συσκευή της Yealink για απαιτητικούς χρήστες και πολυάσχολους επαγγελματίες. Το νέο σχέδιο περιλαμβάνει έγχρωμη οθόνη 7" 800 x 480-pixel touch screen με backlight παρέχοντας μια πλούσια οπτική εμπειρία. Η τεχνολογία Optima HD της Yealink επιτρέπει την πλούσια και καθαρή επικοινωνία. Υποστηρίζει Gigabit Ethernet, μια ποικιλία από θύρες συνδέσεων, συμπεριλαμβανομένων των EHS ακουστικών και USB. Με προγραμματιζόμενα πλήκτρα, το τηλέφωνο IP υποστηρίζει πολλά χαρακτηριστικά που βελτιώνουν την παραγωγικότητα.

Features     

•  Revolutionarily new design 
•  Yealink Optima HD voice 
•  Dual-port Gigabit Ethernet
•  PoE(802.3af) class support
•  7" 800 x 480-pixel color touch screen with backlight
•  Supports Bluetooth headset through the Yealink BT40 USB Dongle
•  Supports WiFi connection through the Yealink WF40 WiFi USB Dongle (phone upgraded to version of 35.80.0.95 or higher)
•  Up to 16 SIP accounts
•  Paper label free design 
•  Headset, EHS support
•  Supports expansion modules
•  Wall mountable
•  Simple, flexible and secure provisioning options
• 1 Year Warranty

Specification     
Audio Features

•  HD voice: HD handset, HD speaker
•  Codecs: G.722, G.711(A/μ), G.723.1, G.729AB, G.726, GSM, 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

•  16 VoIP accounts
•  Call hold, mute, DND
•  One-touch speed dial, hotline 
•  Call forward, call waiting, call transfer
•  Group listening, emergency call
•  Redial, call return, auto answer
•  3-way conferencing
•  Direct IP call without SIP proxy
•  Ring tone selection/import/delete
•  Set date time manually or automatically
•  Dial plan, XML Browser, action URL/URI RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)

 
Directory

•  Loal 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
•  Remote office, hot-desking
•  Message Waiting Indicator (MWI)
•  Voice mail, call park, call pickup
•  Intercom, paging, music on hold
•  Call completion, call recording

 
Display and Indicator

•  7" 800 x 480-pixel color touch screen with backlight
•  24 bit depth color
•  LED for call and message waiting indication
•  Wallpaper
•  Intuitive user interface with icons and soft keys
•  National language selection
•  Caller ID with name, number and photo

 
Feature keys

•  29 one-touch DSS keys
•  7 features keys: message, headset, hold, mute, 
• transfer, redial, hands-free speakerphone
•  6 navigation keys
•  Volume control keys
•  Illuminated mute key
•  Illuminated headset key
•  Illuminated hands-free speakerphone key

 
Interface

•  Dual-port Gigabit Ethernet
•  Power over Ethernet (IEEE 802.3af), class 3
•  Built-in USB port for Bluetooth headset support through the Yealink BT40 USB Dongle or WiFi connection through the Yealink WF40 WiFi USB Dongle 
•  1xRJ9 (4P4C) handset port
•  1xRJ9 (4P4C) headset port 
•  1XRJ12 (6P6C) EXT port: 
• Supports up to 6 Expansion Modules for an attendant console application

 
Other Physical Features

•  Wall mountable (optional)
•  External universal AC adapter (optional): AC 100~240V input and DC 5V/2A output
•  Power consumption (PSU): 2.0-6.4W
•  Power consumption (PoE):2.4-10.5W
•  Dimension(W*D*H*T): 266mm*226mm*185mm*54mm
•  Operating humidity: 10~95%
•  Operating temperature: -10~50°C

 
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
•  Phone lock for personal privacy protection
•  Reset to factory, reboot
•  Package tracing export, system log

 
Network and Security

•  SIP v1 (RFC2543), v2 (RFC3261)
•  Call server redundancy supported 
•  NAT transverse: STUN mode
•  Proxy mode and peer-to-peer SIP link mode
•  IP assignment: static/DHCP/PPPoE
•  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

 
Package Features

•  Qty/CTN: 5 PCS
•  N.W/CTN: 
•  G.W/CTN: 
•  Giftbox size: 324mm*263mm*128mm
•  Carton Meas: 660mm*338mm*273mm

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