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SIP-T48S

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€12,000

7" 800 x 480-pixel color touch screen with backlight
Opus* codec support
USB 2.0
T4S Auto-P template unified
T4S firmware unified
Up to 16 SIP accounts
Dual-port Gigabit Ethernet
PoE support
Paperless label design
Headset, EHS support
Wi-Fi via WF40
Bluetooth via BT40
USB recording
Supports expansion modules
Stand with two adjustable angles
Wall mountable

  • Description

  • Features

  • The SIP-T48S IP Phone is a dynamic business communications solution for executives and professionals. This phone offers a large touch screen that makes switching between pages and applications swift, easy and convenient. The SIP-T48S is also with Yealink’s Optima HD Voice technology and wideband codec of Opus for unparalleled audio clarity. Phone users will think they are sitting in the same room with one another. The phone uses Gigabit Ethernet technology for rapid call handling. Plus, it works in conjunction with Bluetooth USB Dongle and Wi-Fi USB Dongle. The new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration.

  • Audio Features

    HD voice: HD handset, HD speaker
    Hearing aid compatible (HAC) handset
    Codecs: AMR-WB (optional), AMR-NB (optional), Opus*, G.722, G.711(A/µ), 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, AGC


    Phone 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
    3-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, Contact synchronization through BT40, Wi-Fi through WF40, USB call recording through USB flash drive
    Enhanced DSS key


    IP-PBX Features

    Busy Lamp Field (BLF)
    Bridged Line Apperance (BLA)
    Anonymous call, anonymous call rejection
    Hot-desking, voice mail
    Flexible seating
    Call park, call pickup
    Executive and Assistant
    Centralized call recording
    Visual voice mail
    Call recording

    Management

    Configuration: browser/phone/auto-provision
    Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
    Auto-provision with PnP
    Zero-sp-touch, TR-069
    Phone lock for personal privacy protection
    Reset to factory, reboot
    Package tracing export, system log


    Network 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/PPPoE
    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
    ICE


    Feature 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 ke

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