Yealink- SIP- T42U Well-rounded SIP desk phones
YEALINK ANALOG & IP TELEPHONY SIP- T42U WELL-ROUNDED SIP DESK PHONES
FEATURES
2.7″ Graphical LCD with Backlight
Clear 192 × 64‑pixel display provides essential information with intuitive visuals.
Dual‑USB Smart Expansion
Two USB‑A ports usable for Wi‑Fi, Bluetooth, USB headset, or call recording devices, allowing flexible add‑on options.
Outstanding HD Voice via Opus & Acoustic Shield
Includes Opus codec support and Yealink’s Optima HD Voice with Acoustic Shield and noise filtering for clean communication.
Simplified Provisioning & Mass Deployment
Supports unified firmware & auto‑provisioning across T4U phones via RPS; supports dual‑firmware to prevent bricking.
Gigabit Ethernet + PoE, Bluetooth & Wi‑Fi Support (Dongles)
Features dual Gigabit LAN ports with PoE. Optional Wi‑Fi (WF40/WF50) and Bluetooth (BT40/BT41) via dongles.
SPECIFICATIONS
Display: 2.7″ graphical LCD, 192×64 pixels, backlit
SIP Accounts: Supports up to 12
USB Ports: 2 × USB‑A (2.0)
Programmability: 6 line keys with LED + up to 15 DSS keys in three pages
Audio Codecs: Opus, G.722, G.711, G.729, iLBC, AMR (if supported)
Audio Features: Full-duplex speakerphone with AEC, Acoustic Shield, HAC support
Ethernet: 2 × Gigabit RJ45; PoE (IEEE 802.3af)
Wireless (optional): Bluetooth via BT40/BT41; Wi‑Fi via WF40/WF50
Headset Ports: RJ9, USB headset, EHS adapter
Deployment Tools: Unified firmware/template, RPS support, dual firmware safeguard
Phones Features: Speed‑dial, call forward/waiting, transfer, hold, mute, DND, conferencing
Conferencing: 3‑way conferencing capability
Mounting: Adjustable stand (dual-angle); wall mount compatible
YEALINK ANALOG & IP TELEPHONY SIP- T33G COST-EFFECTIVE COLOR SCREEN IP PHONE
FEATURES
Cost-Effective Color Display
Features a 2.4-inch color LCD screen for easy navigation and clear call information. The display simplifies call management for small to medium offices.
High-Definition Audio
Supports Yealink HD Voice for clear, natural conversations. Built-in noise reduction ensures excellent call quality even in busy environments.
Multi-Line Support
Allows up to 3 SIP accounts, enabling multiple simultaneous lines for business communication. Users can manage calls efficiently across different extensions.
Flexible Connectivity
Includes dual Gigabit Ethernet ports with PoE support for simplified installation. Compatible with USB and EHS headsets for flexible audio options.
User-Friendly Design
Ergonomic design with an adjustable stand. Wall-mountable option provides flexible placement in various office setups.
SPECIFICATIONS
Display: 2.4″ 320 × 240-pixel color back-lit LCD.
Lines/SIP Accounts: Up to 4 SIP accounts supported.
Network Interfaces: Dual-port Gigabit Ethernet (10/100/1000 Mbps) with PoE support.
Audio Codecs: Wideband: Opus, G.722; Narrowband: G.711 μ/A, G.723.1, G.729/AB, G.726, iLBC.
Conference Capability: Local 5-way conferencing built-in.
Headset Support: EHS (wireless headset) support and RJ9 headset port.
Security & Protocols: SIP-v1/v2 (RFC3261), SRTP, TLS, IEEE 802.1x authentication, VLAN 802.1Q/802.1p.
Audio Features: Full-duplex speakerphone with AEC, smart noise filtering, VAD/CNG/PLC/AJB/AGC.
Form Factor: Table-top with adjustable stand and wall-mount support.
Firmware & Management: Unified firmware (T3 series), supports auto-provisioning, Yealink Device Management Platform (YDMP) and YMCS.
YEALINK ANALOG & IP TELEPHONY W70B HIGH-PERFORMANCE IP BASE STATION
FEATURES
Reliable Small-Medium Business DECT Hub
Supports up to 10 handsets/headsets, 10 SIP accounts, and 20 simultaneous calls, with advanced Opus codec and noise reduction.
Seamless No‑Downtime Upgrades
No perception upgrade” design ensures firmware updates without impacting active calls or base availability.
Feature-Rich Telephony Support
Includes paging/intercom, auto-answer, push-to-talk, call hold/transfer, voicemail alerts, wide call history, and local phonebook (1,000 entries)
Enterprise-Class Security & Provisioning
Built-in TLS/SRTP encryption, LDAP/XML directory sync, VLAN support, RPS zero-touch provisioning.
Compact Mounting & Clean Design
Wall-mountable or desktop placement; discreet wire-hidden layout with LED indicators for status and signal.
SPECIFICATIONS
SIP Accounts: Up to 10
Handsets / Headsets: Up to 10
Simultaneous Calls: Up to 20
Repeaters: Supports up to 6 RT30 repeaters/base
Audio Codec: Opus, G.711 wideband
Security: TLS, SRTP, VLAN, 802.1x, OpenVPN support; DECT-layer encryption
Features: Paging/Intercom, Auto-answer, Push-to-Talk, 3-way call, DND, voicemail indication, local phonebook up to 1,000 entries
Networking: RJ45 10/100 Mbps with PoE (IEEE 802.3af) or DC power
Provisioning: RPS, HTTP, HTTPS, FTP, TFTP; deployment toolkit
Physical: Wall-mountable; compact footprint
Environmental: Corporate-grade reliability; effective indoor/outdoor DECT reach (~50/300 m)
