Yealink T48GN SIP Touch Screen IP Phone

The T48GN is an elegantly designed IP phone for executives and busy professionals. The large, 7” coloured touchscreen provides rich visual presentation and simple navigation through a wealth of productivity enhancing features. As well as support for corded and wireless headsets, the T48GN incorporates a USB port allowing Bluetooth headsets to be connected via the Yealink BT40 Bluetooth dongle. Auto provisioning and manual programming follow the same format as the rest of the Yealink range, making life simpler for installers and technicians. The T48GN is certified compatible with 3CX, Asterisk and BroadSoft BroadWorks and many more IPPBX and hosted platforms, making it the ideal choice for busy managers.

Audio Features

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

Directory

• Local phonebook up to 1000 entries
• Black list
• XML/LDAP remote phonebook
• Intelligent search method
• Phonebook search/import/export
• Call history: dialled/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 colour
• 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 a USB port, support Bluetooth
• headset (Through USB Dongle)
• 1xRJ9 (4P4C) handset port
• 1xRJ9 (4P4C) headset port
• 1XRJ12 (6P6C) EXT port:
• Supports up to 6 Expansion Modules for
• a receptionist 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%
• Storage temperature: -10~50°C

Management

• Configuration: browser/phone/autoprovision
• 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