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Yealink T48s User Manual

Yealink T48s
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2. Follow the voice prompt to listen to voice mails.
General information
Important
Access to Emergency Services is provided but calls including emergency calls to 999 or 112, made via WHC may not
work in the event of power or broadband connection failure. These failures may be caused by reasons outside our
control. Location information, provided to the emergency services, is limited to the location details entered into the
system by your Service Provider; this may not be where the call was originated.
Safety information
Do not open the handset or the base. This could expose you to high voltages or other risks. Contact
your Service Provider for all repairs.
Cleaning
Clean the handset and base with a damp (not wet) cloth, or an anti-static wipe. Never use household
polish as this will damage the product. Never use a dry cloth as this may cause a static shock.
Environmental
Do not expose to direct sunlight
Do not stand your product on carpets or other surfaces which generate fibres, or place it in locations
preventing the free flow of air over its surfaces
Do not submerge any part of your product in water and do not use it in damp or humid conditions, such
as bathrooms
Do not expose your product to fire, explosive or other hazardous conditions
There is a slight chance your phone could be damaged by an electrical storm.
Product disposal instructions
The symbol shown here and on the product means that the product is classed as Electrical or Electronic Equipment
and should not be disposed with other household or commercial waste at the end of its working life.
The Waste of Electrical and Electronic Equipment (WEEE) Directive (2002/96/EC) has been put in place to recycle
products using best available recovery and recycling techniques to minimize the impact on the environment, treat any
hazardous substances and avoid the increasing landfill.
Business users should contact their suppliers and check the terms and conditions of the purchase contract and ensure
that this product is not mixed with other commercial waste for disposal.
Guarantee
Your IP Phone is guaranteed for a period of 12 months from the date of purchase.
Subject to the terms listed below, the guarantee will provide for the repair of, or at the Service Provider or its agent’s
discretion, the option to replace the Phone or any component thereof, (other than batteries), which is identified as
faulty or below standard, or as a result of inferior workmanship or materials. Products over 28 days old from the date
of purchase may be replaced with a refurbished or repaired product.
The conditions of this guarantee are:
The guarantee shall only apply to defects that occur within the 12-month guarantee period
Proof of purchase is provided
The equipment is returned to your Service Provider or its agent as instructed

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Yealink T48s Specifications

General IconGeneral
Full duplexYes
Lines quantity- lines
Phonebook capacity- entries
Number of VoIP accounts-
Voice codecsAGC, AJB, CNG, G.711alaw, G.711ulaw, G.722, G.723.1, G.726, G.729A, G.729B, PLC, SILK, VAD, iLBC
Compatible productsSkype for Business
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Volume controlDigital
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
AC adapter input voltage100 - 240 V
AC adapter output current2 A
AC adapter output voltage5 V
Power consumption (typical)4.9 W
Power consumption (Power over Ethernet (PoE))7.5 W
Front cameraNo
Security algorithmsHTTPS, MD5, SRTP, TLS
Networking standardsIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsSIP v1 (RFC2543), v2 (RFC3261), LLDP-MED VLAN, IPv4/IPv6, UDP/TCP/DNS-SRV (RFC 3263)
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Display diagonal7 \
Touchscreen typeCapacitive
Display resolution800 x 480 pixels
Graphical user interface (GUI) languageMulti
Storage temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Master (outer) case width660 mm
Master (outer) case length338 mm
Master (outer) case weight9000 g
Master (outer) case net weight8200 g
Quantity per master (outer) case5 pc(s)
Weight and Dimensions IconWeight and Dimensions
Depth226 mm
Width266 mm
Height185 mm
Package depth324 mm
Package width263 mm
Package height128 mm

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