Yealink SIP-T48U 16 Line Advanced SIP Phone

SPECIFICATIONS

Audio Features> HD voice: HD handset, HD speaker> Hearing aid compatible (HAC) handset> Acoustic Shield> Smart Noise Filtering> Codecs: Opus, G.722, G.711(A/), 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, AGCPhone Features> 16 VoIP accounts> Call hold, mute, DND> One-touch speed dial, hotline> Call forward, call waiting, call transfer> Group listening> Emergency call> Redial, call return, auto answer> 10-way conferencing> Direct IP call without SIP proxy> Ring tone selection/import/delete> Set date time manually or automatically> Dial plan, XML Browser, action URL/URI> RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)> USB port (2.0 compliant) for: - Bluetooth earphone through BT40/BT41 - Contact synchronization through BT40/BT41 - Simultaneous connection of one headset and onemobile phone through BT40/BT41 - Wi-Fi through WF40/WF50 - USB call recording through USB flash drive - USB headset - Expansion Module EXP43 - Wireless Headset Adapter EHS40> USB/Bluetooth connectivity to Yealink CP900/CP700speakerphone, USB connectivity to Yealink UH36headset: - Basic functions: Answer / end, call mute - Enhanced function: audio optimization, redial, callhold, volume synchronization, multiple calls control> Enhanced DSS keyDirectory> Local phonebook up to 1000 entries> Black list> XML/LDAP remote phonebook> Smart dialing> Phonebook search/import/export> Call history: dialed/received/missed/forwardedIP-PBX Features> Busy Lamp Field (BLF)> Bridged Line Apperance (BLA)> Anonymous call, anonymous call rejection> Hot-desking, voice mail> Flexible seating> Executive and Assistant> Call park, call pickup> Centralized call recording, call recording> Visual voice mailDisplay and Indicator> 7" 800 x 480-pixel color touch screen with backlight> 24 bit depth color> LED for call and message waiting indication> Wallpaper> Intuitive user interface with icons and soft keys> Multilingual user interface> Caller ID with name, number and photo> Screensaver> Power savingFeature 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 keyInterface> Dual-port Gigabit Ethernet> Power over Ethernet (IEEE 802.3af), class 3> 2 x USB port (2.0 compliant)> 1 x RJ9 (4P4C) handset port> 1 x RJ9 (4P4C) headset portManagement> Configuration: browser/phone/auto-provision> Auto provision via FTP/TFTP/HTTP/HTTPS formass deploy> Auto-provision with PnP> Zero-sp-touch, TR-069> Phone lock for personal privacy protection> Reset to factory, reboot> Package tracing export, system logNetwork and Security> SIP v1 (RFC2543), v2 (RFC3261)> Call server redundancy supported> NAT traversal: STUN mode> Proxy mode and peer-to-peer SIP link mode> IP assignment: static/DHCP> 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> OpenVPN, IEEE802.1X> IPv6> LLDP/CDP/DHCP VLAN> ICEOther Physical Features> Color: Classic Grey> USB output currency: 5V 1A> Power consumption (PSU): 1.8-3.8W> Power consumption (PoE): 2.3-4.7W> Dimension (WDHT): 266mm226mm185mm54mm> Operating humidity: 1095%> Operating temperature: -1050C (+14~122F)Package Features>

Package content:

- Yealink SIP-T48U IP phone - Handset with handset cord - Ethernet Cable (2m CAT5E UTP Cable) - Stand - Quick Start Guide> Qty/CTN: 5 PCS> N.W/CTN: 7.9 kg> G.W/CTN: 8.4 kg> Giftbox size: 324mm263mm128mm> Carton Meas: 660mm338mm273mm