VoIPon SIP-T48G-SFB User manual
Created on: Saturday 20 June, 2020
Yealink T48G IP Phone Skype for Business (SIP-T48G-SFB)
Product Name: Yealink T48G IP Phone Skype for Business (SIP-T48G-SFB)
Manufacturer: -
Model Number: SIP-T48G-SFB
Please Note: This product has been discontinued. Please see the Yealink T48S IP Phone
(SIP-T48S).
Yealink T48G IP Phone Skype for Business (SIP-T48G-SFB)
Please Note: Yealink T48G IP Phones are PoE (Powered-Over-Ethernet) and do not include a
mains Power Supply. If mains power is required, this can be added via the drop down menu
above.
The Yealink T48G is an elegant high-level IP Phone that is ideal executives and busy
professionals. The Yealink SFB Phone is an exceptional member of the Yealink T4x Series and
an excellent choice for professionals who need the features of a high-end modern phone.
Yealink T48G IP Phone Key Features
• Dual-port Gigabit Ethernet, Power over Ethernet
• 7” 800 x 480-pixel colour touchscreen with backlight
• HD Voice: HD Codec, HD speaker, HD handset
• 6 VoIP accounts, BLF/BLA, IPV6, Open VPN
• Supports Bluetooth Headsets
• Easy collaboration with Microsoft Skype for Business / Lync
Features include easy collaboration with Microsoft Skype for Business / Lync and outstanding HD
audio performance.The Yealink T48G incorporates a USB port allowing Bluetooth headsets to be
connected via the Yealink BT40 Bluetooth dongle. Autoprovisioning and manual programming
follow the same format as the rest of the Yealink range, making life simpler for installers and
technicians.
The Yealink T48GN is a Skype For Business Phone and is certified compatible with 3CX, Asterisk
and BroadSoft BroadWorks, along with many more IP PBX and hosted platforms, making it the
ideal choice for busy managers.
Please refer to the Yealink VoIP Phone Range Detailed Comparison Table to compare Yealink IP
Phones.
Yealink SIP-T48GN Technical Specifications
Audio Features
• HD voice: HD handset, HD speaker
• Codecs: G.722, G.711(A/μ), G.723.1, 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
• Call hold, mute, DND
• One-touch speed dial, hotline
• Call forward, call waiting, call transfer
Created on: Saturday 20 June, 2020
Yealink T48G IP Phone Skype for Business (SIP-T48G-SFB)
• Group listening, emergency call
• Redial, call return, auto answer
• 3-way conferencing
• Direct IP call without SIP proxy
• Ringtone selection/import/delete
• Set date time manually or automatically
• Dial plan, XML Browser, action URL/URI
Directory
• Local phonebook up to 1000 entries
• Blacklist
• 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 Appearance(BLA)
• Anonymous call, anonymous call rejection
• Remote office, hot-desking
• Message Waiting Indicator (MWI)
• Voicemail, call park, call pickup
• Intercom, paging, music on hold
• Call completion, call recording
Display and Indicator
• 7” 800 x 480-pixel colour 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
Created on: Saturday 20 June, 2020
Yealink T48G IP Phone Skype for Business (SIP-T48G-SFB)
• 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
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
Price: £159.70
Options available for Yealink T48G IP Phone Skype for Business (SIP-T48G-SFB) :
Power Supply Required?
UK PSU 10V Required (+£10.00), None - Using PoE.
RPS Extension ID
TEXT.
RPS Extension Password
TEXT.
RPS Display Name
TEXT.
RPS PBX URL
Created on: Saturday 20 June, 2020
Yealink T48G IP Phone Skype for Business (SIP-T48G-SFB)
TEXT.
RPS NAT Enabled
TEXT.
RPS Outbound Proxy
TEXT.
RPS SIP Port
TEXT.
RPS Enable Outbound Proxy
RPS Own Server URL
RPS Own Server Name
T4x Wall Mount Bracket
Required (+£7.00), Not Required.
Compatible Headsets
Not Required, Yealink YHS33 IP Headset (+£35.10).
Compatible Wireless Headsets
Plantronics CS540 EHS Wireless headset (+£190.06), Not Required.
Headset Adapter
Yealink EHS36 (+£36.70), Not Required.
Wi-Fi USB Dongle
Yealink WF50 WiFi USB Dongle (+£26.00), Not Required.
Bluetooth USB Dongle Required?
Yealink BT41 Bluetooth USB Dongle (+£20.00), Not Required.
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