SKU: YEA-SIP-T48S Category:



Yealink Optima HD voice
Codecs: Opus, G.722, G.711(A/u), G.723, G.729AB, G.726, iLBC
Dual-port Gigabit Ethernet
Display: 7″ 800×480 pixel color touch screen with backlight
29 one-touch DSS keys
Built-in USB port allows support for Bluetooth headset with BT40 dongle or WiFi access with WF40 dongle
Up to 16 SIP accounts
Paper label-free design
Local phonebook with up to 1,000 entries
RJ9 headset port with EHS support (see EHS36 wireless headset adapter)
Supports up to 6 EXP40 expansion modules
Wall mountable (with kit WMB-T48)
PoE 802.3af
Power supply not included (PS5V2000US)
Upgrades from T48G
Device performance enhancement with faster response on the phone’s user interface
Opus support
Enhanced speaker performance
United firmware
Hearing aid compatible handset


Call Waiting – Yes
Caller ID (CID) – Yes
Conference Calling – Yes
Corded or Cordless – Corded
LCD Backlit Display – Yes
Number SIP Accounts/Identities – 10+
Speakerphone – Yes
Color – Black

Yealink Ultra-Elegant Touchscreen


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