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Description

Yealink SIP-T48U Technical Specification

Audio Features

  • HD voice: HD handset, HD speaker
  • Hearing aid compatible (HAC) handset
  • Acoustic Shield
  • Smart Noise Filtering
  • 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
  • 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)
  • Dual USB ports (2.0 compliant):
    - Bluetooth earphone through BT40/BT41
    - Contact synchronization through BT40/BT41
    - Simultaneous connection of one headset and one mobile 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/CP700 speakerphone, USB connectivity to Yealink UH36 headset:
    - Basic functions: Answer / end, call mute
    - Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple calls control
  • Enhanced DSS key

Directory

  • Local phonebook up to 1000 entries
  • Black list
  • XML/LDAP remote phonebook
  • Smart dialing
  • Phonebook search/import/export
  • Call history: dialed/received/missed/forwarded

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

Display and Indicator

  • 7" 800 x 480-pixel colour touch screen with backlight
  • 24 bit depth colour
  • 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 saving

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 key

Interface

  • 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 port

Other Physical Features

  • Colour: Classic Grey
  • Wall mountable
  • External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A output
  • USB output currency: 5V 1A
  • Power consumption (PSU): 1.8-3.8W
  • Power consumption (PoE): 2.3-4.7W
  • Dimension (W*D*H*T): 266mm*226mm*185mm*54mm
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C (+14~122°F)

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
  • 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

Package Features

  • Package content:
    - Yealink SIP-T48U IP phone
    - Handset with handset cord
    - Ethernet Cable (2m CAT5E UTP Cable)
    - Stand
    - Quick Start Guide
    - Power Adapter (Optional)
    - Wall Mount Bracket (Optional)
  • Qty/CTN: 5 PCS
  • N.W/CTN: 7.9 kg
  • G.W/CTN: 8.4 kg
  • Giftbox size: 324mm*263mm*128mm
  • Carton Meas: 660mm*338mm*273mm

Yealink SIP-T48U IP Phone Price in Dubai, UAE

SIP-T48U

  • T4 Series
Description

Yealink SIP-T48U Technical Specification

Audio Features

  • HD voice: HD handset, HD speaker
  • Hearing aid compatible (HAC) handset
  • Acoustic Shield
  • Smart Noise Filtering
  • 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
  • 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)
  • Dual USB ports (2.0 compliant):
    - Bluetooth earphone through BT40/BT41
    - Contact synchronization through BT40/BT41
    - Simultaneous connection of one headset and one mobile 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/CP700 speakerphone, USB connectivity to Yealink UH36 headset:
    - Basic functions: Answer / end, call mute
    - Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple calls control
  • Enhanced DSS key

Directory

  • Local phonebook up to 1000 entries
  • Black list
  • XML/LDAP remote phonebook
  • Smart dialing
  • Phonebook search/import/export
  • Call history: dialed/received/missed/forwarded

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

Display and Indicator

  • 7" 800 x 480-pixel colour touch screen with backlight
  • 24 bit depth colour
  • 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 saving

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 key

Interface

  • 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 port

Other Physical Features

  • Colour: Classic Grey
  • Wall mountable
  • External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A output
  • USB output currency: 5V 1A
  • Power consumption (PSU): 1.8-3.8W
  • Power consumption (PoE): 2.3-4.7W
  • Dimension (W*D*H*T): 266mm*226mm*185mm*54mm
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C (+14~122°F)

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
  • 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

Package Features

  • Package content:
    - Yealink SIP-T48U IP phone
    - Handset with handset cord
    - Ethernet Cable (2m CAT5E UTP Cable)
    - Stand
    - Quick Start Guide
    - Power Adapter (Optional)
    - Wall Mount Bracket (Optional)
  • Qty/CTN: 5 PCS
  • N.W/CTN: 7.9 kg
  • G.W/CTN: 8.4 kg
  • Giftbox size: 324mm*263mm*128mm
  • Carton Meas: 660mm*338mm*273mm
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