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These functions have been tested by
on this product
Battery (minimum 80% of the maximum load)
Wifi - Bluetooth - 3G/4G
Speakers and microphone
SIM card reader
Yealink T48S IP Phone - Black specs
Model : T48S
Color : Black
Screen size (inches) : 7
OS : Linux
Resolution : 800 x 480
Is the phone Unlocked or tied to a carrier? : No SIM slot
Release Date : September 2017
Brand : Yealink
Weight : 3 oz
Yealink SIP-T48S. Factory ServicedIncludes 90 Day Warranty. . Item # T48S. . The Yealink T48S is a 16 Line IP Phone designed for the business user who needs rich telephony features, friendly UI and superb voice quality. It is equipped with Yealink Optima HD voice and wideband codec of Opus for superb sound quality and crystal clear communications.. . The Phone features 6 line keys with LED that can be programmed up to 29 various features. Six navigation keys and four soft keys provides intuitive user interface for higher productivity. Moreover, T48S has the rich external interfaces including USB 2.0 port, graphical LCD, handset and headset ports. The USB port can be used to connect with a WiFi or Bluetooth adapter.. . T48S:. . . . |Corded Voice Over IP Phone |Softkeys |6 SIP Accounts |Compatible with EHS-Supported Plantronics Headsets |Backlit LCD Display |Caller ID |Message Waiting Indicator |Redial |Call Log |Modular RJ9 Headset Connector. Compatible w/ Amplified Business Headsets |Mute |Dual-Port 10/100 Mbps Ethernet Switch |Codecs: |- G.711A/U |- G.723.5 |- G.730 |- G.729AB |- iLBC |Wall Mountable |Voice Over Internet Protocol (VoIP)|Session Initiation Protocol (SIP) |16-Line Operation |7? 800x480 Pixel Color LCDTouch Display |Intercom / Paging / Call Transfer |3-Way Conferencing |Date / Time Display |AC Powered (Adapter Included) |One-Touch Speed Dial |7 Programmable Line / Feature Keys |HD Voice Support |LED For Call & Message Waiting Indicator |Call Transfer |Call Forwarding |Auto Answer |Adjustable Ringtones |Anonymous Call Rejection |Voicemail Compatibility |Conference Call Recording |Volume Control |6 Navigational Keys |Missed Call Indicator |XML Browser |Call Block |Local Phonebook w/ up to 1000 Entries |XML/LDAP Remote Phonebook |Integrated Stand w/ 2 Adjustable Angles |16 VoIP Accounts
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