Designed specifically for both local and international use by business, industry and commerce, it incorporates a large touch panel that makes switching between different screens and applications swift, easy and convenient. Yealinks Optima HD technology very carefully creates the impression that you are sitting virtually face-to-face opposite the person at the other end of the call.
> Yealink Optima HD voice. > PoE(802.3af) class support.
> 7 800 x 480-pixel color touch screen with backlight. > Up to 16 SIP accounts. > Paper label free design. > Simple, flexible and secure provisioning options. > HD voice: HD handset, HD speaker.> DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO. > Full-duplex hands-free speakerphone with AEC. > VAD, CNG, AEC, PLC, AJB, AGC. > Call hold, mute, DND. > One-touch speed dial, hotline. > Call forward, call waiting, call transfer. > Group listening, emergency call. > Redial, call return, auto answer.
> Direct IP call without SIP proxy. > Set date time manually or automatically. > RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035).> USB port (2.0 compliant) for. USB call recording through USB flash drive. > Loal phonebook up to 1000 entries. > Busy Lamp Field (BLF). > Bridged Line Apperance(BLA). > Anonymous call, anonymous call rejection. > Message Waiting Indicator (MWI). > Intercom, paging, music on hold. > Call completion, call recording. > 24 bit depth color. > LED for call and message waiting indication. > Intuitive user interface with icons and soft keys. > Caller ID with name, number and photo. > 29 one-touch DSS keys. > 7 features keys: message, headset, hold, mute. > Illuminated hands-free speakerphone key. >Power over Ethernet (IEEE 802.3af), class 3. > 1 x USB port (2.0 compliant).
> 1xRJ9 (4P4C) handset port. > 1xRJ9 (4P4C) headset port. > 1XRJ12 (6P6C) EXT port. Supports up to 6 Expansion Modules for an attendant.
> External universal AC adapter (optional). AC 100240V input and DC 5V/2A output. > Power consumption (PSU): 2.0-6.4W.
> Power consumption (PoE):2.4-10.5W. > Auto provision via FTP/TFTP/HTTP/HTTPS. > Reset to factory, reboot. > Package tracing export, system log.> SIP v1 (RFC2543), v2 (RFC3261). > Call server redundancy supported. > NAT transverse: STUN mode. > Proxy mode and peer-to-peer SIP link mode. > Time and date synchronization using SNTP. > QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS. > Transport Layer Security (TLS). > AES encryption for configuration file. > Digest authentication using MD5/MD5-sess. Ethernet Cable (2m CAT5E FTP Cable). The item "Yealink T48G Gigabit SIP VoIP Phone BRAND NEW IN SEALED BOX FREE SHIPPING" is in sale since Saturday, September 30, 2017. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "rdhavins" and is located in Sugar Land, Texas. This item can be shipped to United States.