Yealink SIP-T48S Ultra-Elegant Gigabit IP Phone – No Adapter - Pre-Owned

The Yealink SIP-T48S is a professional Gigabit IP phone designed for modern VoIP communication, office environments, reception desks, executive workstations, and IP-PBX deployments.Featuring a large 7-inch 800 × 480 colour touchscreen, HD voice, and full-duplex hands-free speakerphone, it provides a feature-rich communication solution.
With support for up to 16 VoIP accounts and dual Gigabit Ethernet connectivity, the phone is suitable for professional business communication environments.

The phone supports Power over Ethernet, multiple call-management functions, one-touch DSS keys, and advanced directory features.
This pre-owned unit has been tested and is fully functional; the stand is included, but the power adapter is not included.

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✔ Key Features & Benefits

✔ 7-Inch Colour Touchscreen – 800 × 480 resolution with backlight for intuitive operation.

✔ HD Voice – HD handset and HD speaker provide clear business communications.

✔ 16 VoIP Accounts – Supports multiple SIP accounts for flexible business deployments.

✔ Dual Gigabit Ethernet – Provides high-speed network connectivity.

✔ Power over Ethernet – Supports IEEE 802.3af PoE.

✔ 29 One-Touch DSS Keys – Convenient access to frequently used functions and contacts.

✔ Full-Duplex Speakerphone – Includes acoustic echo cancellation for hands-free communication.

✔ Advanced Call Features – Supports call transfer, forwarding, waiting, hold, mute, DND, and 3-way conferencing.

✔ Large Phonebook – Supports up to 1,000 local contacts.

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✔ Ideal Uses

✔ Business office telephone systems

✔ Reception and front-desk environments

✔ Executive and management workstations

✔ VoIP and IP-PBX installations

✔ Professional business communications

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✔ Specifications

✔ Condition: Pre-Owned item with visible signs of previous use, including scratches, scuffs, dents, or minor cosmetic wear. Device has been tested and is fully functional. These cosmetic imperfections do not affect performance.

✔ Brand: Yealink

✔ Model: SIP-T48S

✔ Product Type: Ultra-Elegant Gigabit IP Phone

Display

✔ Display: 7-Inch Colour Touchscreen

✔ Resolution: 800 × 480 Pixels

✔ Colour Depth: 24-Bit

✔ Display: Backlit

Audio

✔ Audio: HD Voice

✔ Handset: HD Handset

✔ Speaker: HD Speaker

✔ Hearing Aid Compatibility: HAC Handset

✔ Speakerphone: Full-Duplex Hands-Free

✔ Audio Processing: Acoustic Echo Cancellation (AEC)

✔ Codecs: Opus, G.722, G.711(A/μ), G.723.1, G.729AB, G.726 and iLBC

Phone Features

✔ VoIP Accounts: Up to 16

✔ Call Features: Hold, Mute, Do Not Disturb, Call Forward, Call Waiting and Call Transfer

✔ Conferencing: 3-Way Conferencing

✔ Speed Dial: One-Touch Speed Dial

✔ Additional Features: Hotline, Auto Answer, Redial, Call Return, Call Recording, Visual Voicemail, BLF and BLA

Memory & Directory

✔ Local Phonebook: Up to 1,000 Entries

✔ Directory: XML/LDAP Remote Phonebook

✔ Call History: Supported

✔ Blacklist: Supported

Feature Keys

✔ One-Touch DSS Keys: 29

✔ Feature Keys: 7

✔ Navigation Keys: 6

✔ Additional Controls: Volume, Illuminated Mute, Headset and Hands-Free Speakerphone Keys

Ports & Connectivity

✔ Ethernet: 2 × Gigabit Ethernet Ports

✔ PoE: IEEE 802.3af, Class 3

✔ USB: 1 × USB 2.0

✔ Handset: 1 × RJ9 Handset Port

✔ Headset: 1 × RJ9 Headset Port

✔ Expansion: 1 × RJ12 Expansion Port

Network & Security

✔ SIP: SIP v1 and SIP v2

✔ IP: IPv4 and IPv6

✔ Network Configuration: Static IP, DHCP and PPPoE

✔ Web Server: HTTP/HTTPS

✔ Network Features: VLAN and QoS Support

✔ Security: SRTP, TLS and IEEE 802.1X

✔ VPN: OpenVPN

Physical

✔ Dimensions: 266 × 226 × 185 × 54mm

✔ Operating Temperature: -10°C to 50°C

✔ Operating Humidity: 10%–95%

✔ Stand: Included

✔ Power Adapter: Not Included

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✔ Warranty

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✔ 12 Month Warranty

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✔ What's in the Box

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✔ Yealink SIP-T48S IP Phone

✔ Handset with Handset Cord

✔ Stand