--- product_id: 325142452 title: "Yealink IP Telefon SIP-T43U PoE Business" brand: "yealink" price: "€ 196.94" currency: EUR in_stock: true category: "Yealink" url: https://www.desertcart.hr/products/325142452-yealink-ip-telefon-sip-t43u-poe-business store_origin: HR region: Croatia --- # 3.7" 360x160-pixel backlit LCD Dual USB ports for versatile connectivity Dual firmware images for fail-safe upgrades Yealink IP Telefon SIP-T43U PoE Business **Brand:** yealink **Price:** € 196.94 **Availability:** ✅ In Stock ## Summary > 📞 Elevate your office calls with smart, secure, and scalable communication! ## Quick Answers - **What is this?** Yealink IP Telefon SIP-T43U PoE Business by yealink - **How much does it cost?** € 196.94 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/325142452-yealink-ip-telefon-sip-t43u-poe-business) ## Best For - yealink enthusiasts ## Why This Product - Trusted yealink brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Expandable Powerhouse:** Supports up to 3 expansion modules with 180 programmable DSS keys for seamless multitasking. - • **Crystal-Clear HD Audio:** Yealink Optima HD Voice & Opus codec deliver studio-quality calls every time. - • **Enterprise-Grade Security:** SIP over TLS/SSL and dual firmware images protect your communications and system integrity. - • **Effortless Zero-Touch Deployment:** Auto-provisioning with Yealink RPS and unified firmware saves IT time and headaches. - • **Ultimate Connectivity Flexibility:** Dual USB ports enable Bluetooth, Wi-Fi, USB headset, and recording—choose any two to fit your workflow. ## Overview The Yealink SIP-T43U is a 12-line IP phone featuring a sharp 3.7-inch backlit graphical LCD, dual USB ports for flexible device integration, and dual firmware images ensuring reliable system updates. It delivers superior HD audio with Opus codec, supports extensive expansion modules for up to 180 programmable keys, and offers zero-touch provisioning alongside enterprise-grade security protocols, making it the ideal communication hub for modern businesses. ## Description The SIP-T43U IP phone is a feature-rich business tool for excellent communications and extended functionality. It is a 12-line IP phone that comes with a 3.7-inch large black-and-white screen and EXP43 support. United Yealink Optima HD Voice technology and wideband codec of Opus, the T43U awards you with superb audio quality and crystal-clear voice communications. The phone feels quicker and more responsive when performing call features. Moreover, the T43U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use any two of them freely according to your needs. The Yealink T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration. Easy Customization and High Expansibility Accompanied by two USB ports, the T43U is your right-hand man in the office that makes Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely according to your needs to enrich phone features. Meanwhile, the phone not only has three pages of flexible buttons that can be easily programmed with 21 paperless DSS keys at most, but also can connect up to three expansion modules, for up to 180 additional buttons with a screen-based LCD display and LED system. HD Audio Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Being a totally open, highly versatile audio codec, Opus, is designed to perform a higher HD audio quality than other wideband codecs in a high network bandwidth; However, if your current network quality is poor, Opus can provide you with a better audio quality than other narrowband codecs. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly. Efficient Installation and Provisioning Yealink T4U series supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any complex manual settings, which makes the T4U series simple to deploy, easy to maintain and upgrade. Furthermore, a unified firmware and auto-p template that applies to all T4U phone models, saves even more time and costs for businesses, as well as simplifies the management and maintenance. Secure Transport and Interoperability Yealink T4U series uses SIP over Transport Layer Security (TLS/SSL), which is the latest network security technology. It’s also compatible with leading soft switch suppliers, such as 3CX, Broadsoft Broadworks. Moreover, it is carried with dual firmware images that gives you enterprise-level protection to avoid bricking your system once upgrade failed. ## Features - 3.7" 360x160-pixel graphical LCD with backlight - Dual USB ports - Dual firmware images ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08FF36NP8 | | Answering System Type | Digital | | Best Sellers Rank | #11,476 in Electronics ( See Top 100 in Electronics ) #14 in VoIP & Skype Phones | | Brand | Yealink | | Built-In Media | Yealink SIP-T43U IP phone, Handset with handset cord, Ethernet Cable (2m CAT5E UTP Cable), Stand, Quick Start Guide | | Color | grey | | Compatible Devices | Bluetooth devices, USB headsets, Computers, Telephone networks, VoIP services | | Conference Call Capability | basic | | Customer Reviews | 4.0 4.0 out of 5 stars (74) | | Dialer Type | Single Keypad | | Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) | | Global Trade Identification Number | 06938818304284 | | Is there Caller ID | Yes | | Item Dimensions | 20.6 x 22.5 x 17.5 centimeters | | Item Weight | 0.91 Kilograms | | Manufacturer | Yealink | | Mfr Part Number | 1301202 | | Model Number | SIP-T43U | | Multiline Operation | Multi-Line Operation | | Number of Batteries | Unknown batteries required. | | Number of Items | 1 | | Number of Packs | 1 | | Phone Talk Time | 24 Hours | | Power Source | Power Over Ethernet | | Telephone Type | Corded | | UPC | 753459493854 | | Unit Count | 1 Count | ## Product Details - **Brand:** Yealink - **Colour:** grey - **Material:** Acrylonitrile Butadiene Styrene (ABS) - **Number of batteries:** Unknown batteries required. - **Telephone type:** Corded ## Images ![Yealink IP Telefon SIP-T43U PoE Business - Image 1](https://m.media-amazon.com/images/I/8184xEOaMCL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: can I connect it thru Wi-Fi?** A: yea! https://www.yealink.com/upfiles/products/202104/Yealink-Wi-Fi-USB-Dongle-WF50-Datasheet.pdf **Q: Are you able to connect/pair a cordless handset to the desktop/base phone so that both desk phone and cordless ring together? (like yealink w60p)** A: Yes, but you'll need the correct adapter for the relay to your headset. Example: I use a Plantronics headset and had to buy the Yealink EHS-40. **Q: I see two Cat 5 jacks. Does this allow a "daisy chain" with a workstation's existing computer's Cat 5 cable?** A: That's correct, the phone can act as a switch with receiving internet/ network connection in the LAN port and then providing internet / network access for another device like a computer from the PC port. **Q: Can I use my bluetooth ear buds or apple air pods with this phone?** A: With optional usb dongles, the T43U can be enabled of the features including bluetooth and Wi-Fi or connecting to a comparable wireless headset. ## Frequently Bought Together - Yealink SIP-T43U Feature Rich IP Power over Ethernet Corded Phone with Optima HD Voice Technology and 3.7 Inch LCD Graphical Display with Backlight (360 x 160 Pixel) - Black - Yealink 5v DC 2amp PSU --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/325142452-yealink-ip-telefon-sip-t43u-poe-business](https://www.desertcart.hr/products/325142452-yealink-ip-telefon-sip-t43u-poe-business) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-03*