Independent Business Communications · Australia needtoknowit.com.au / needtoknowai.com / About / Methodology

Yealink

Yealink T43U Review : Australia 2026

The T43U is the power-user upgrade from the T33G. Dual USB ports for headsets and recording devices, Bluetooth headset support via an optional BT40/BT41/BT52 dongle, 12 SIP lines, and 21 DSS keys. The mono screen means it costs less than the T46U, but for staff who spend most of the day on the phone with a headset, the T43U is the right choice.

By the Need to Know Comms Team · Last updated 4 September 2026

86/100
NTK Score Recommended
Relevance19/20

The T43U closely matches multi-line SMB calling and headset workflows, although desk-phone demand varies and the newer T73U warrants consideration for greenfield fleets.

Effort17/20

Zero-touch provisioning and broad certified-platform support reduce deployment work, but network readiness, provider approval and migration from provider-bound phones still require administration.

Adoption16/20

Familiar hardware controls and extensive guides support quick adoption, while the monochrome multi-page key interface and limited independent usability evidence temper confidence.

Commercial value17/20

Published Australian pricing and widespread online stock make procurement straightforward; value is strongest for headset-heavy desks, though product-specific payback is not quantified.

Trust17/20

Encrypted SIP, open interoperability, current firmware and extensive Australian channels inspire confidence; limited AU reputation evidence and provider-bound used-phone risks remain caveats.

What to know before buying

Single-site SMB using a supported hosted PBX: Recommended. Greenfield or long-lifecycle fleet: Recommended with caveats. Compare the newer T73U before standardising. Businesses needing 24/7 phone escalation or multi-year hardware cover: Recommended with caveats. Procure through a provider offering the required SLA and extended warranty.

Business-use suitability

A public T43U-specific Australian RCM declaration or compliance record was not located, although the model is sold through numerous Yealink-authorised Australian channels and no non-compliance was identified.

Grey-market or directly imported units may not provide the same confidence about Australian labelling, approved power accessories and local warranty eligibility.

Matters most to: Businesses considering overseas imports, marketplace stock or sellers outside Yealink's authorised Australian channel. · Buy through an authorised Australian reseller and ask the seller to confirm the unit's RCM labelling and Australian stock status before purchase.

Local support accessibility Changes recommendation

Direct Yealink support is centred on a global ticket system with a published 24-48-hour P1 feedback target; no clearly advertised dedicated Australian Yealink support hotline was found. Australian reseller and distributor support is available.

A business needing immediate after-hours voice escalation may find the manufacturer's ticket target slower than its operational recovery requirement.

Matters most to: Call-dependent businesses requiring 24/7 telephone escalation or restoration commitments shorter than 24 hours. · Procure through a hosted-PBX provider or authorised reseller offering an Australian support number, after-hours escalation and a contractual restoration SLA.

Warranty pathway Changes recommendation

Yealink's May 2026 APAC warranty gives T4-series SIP phones 12 months, requires an authorised channel and normally routes claims through the point of purchase; unauthorised-reseller products are excluded. Some Australian providers advertise longer reseller warranties.

Bulk buyers expecting three-to-five-year hardware coverage could face replacement expense after the manufacturer warranty expires or lose coverage entirely with grey-market stock.

Matters most to: Businesses standardising a fleet for more than one year and buyers considering unauthorised or imported stock. · Confirm the seller is authorised and obtain written details of any extended warranty, advance replacement process and freight responsibility before ordering.

Vendor/ecosystem maturity Changes recommendation

The T43U remains officially listed, supported by current platform firmware and stocked in Australia, but the newer T73U is now identified by current channel documentation as its new-generation replacement and is already available locally.

A greenfield fleet bought late in the T43U lifecycle may receive fewer years of accessory availability and feature development than a similarly priced current-generation model.

Matters most to: Greenfield and multi-site buyers planning a four-to-five-year standard handset fleet. · Compare current Australian T43U and T73U pricing, platform certification and headset requirements, and request a lifecycle commitment before a fleet purchase.

Common use cases: The T43U is well-suited to professional services environments where staff handle extended call sessions and need USB recording capability. It features in our guides to accounting firm phone systems and dental practice setups. TPB obligations require registered tax practitioners to keep proper client records, including relevant information exchanged and advice, but they do not specifically require calls to be recorded.

Who is this phone for?

The T43U sits in the gap between the T33G and T46U. It does not have a colour screen, but it has two USB ports and The T43U supports Bluetooth headsets through an optional Yealink BT40, BT41 or BT52 USB dongle; the DD10K is a DECT dongle and is not listed as compatible with the T43U.. That makes it the right choice for staff who are on the phone for extended periods and use a headset -- sales staff, support agents, account managers, and anyone who prioritises headset comfort over BLF display size. Buy it for: high-call-volume desks where staff use headsets, offices deploying USB headsets as standard, and managers who want Bluetooth headset support without paying the T54W premium. Step down to the T33G if your staff use analogue RJ9 headsets (or no headset), and a colour screen isn't needed. Step up to the T46U if a large colour screen and more DSS keys for BLF monitoring matters more than USB headset support. Step up to the T54W if you want Bluetooth built in and no dongle required.

Specs at a glance

SIP accounts 12
Screen 3.7" 360x160 mono graphical LCD
DSS keys 21 (3 pages x 7)
PoE Yes (802.3af)
Wi-Fi No (WF50 USB dongle optional)
Bluetooth No (BT40/BT41/BT52 USB dongle optional)
USB ports 2 x USB-A
Headset port RJ9 (analogue)
Gigabit Yes (dual Gigabit ports)
Codecs G.711a/u, G.722 (HD), G.726, G.729a, iLBC, OPUS
SRTP / TLS Yes

Build quality and design

The T43U is a mid-size phone with a 3.7-inch mono screen that is larger than the T33G's display but without the colour upgrade. The mono screen is functional and easy to read in office lighting. The extra USB ports on the side are clearly positioned and accessible. Build quality is solid and consistent with the T4 series. The T43U has eight physical line keys with LEDs, programmable for up to 21 paperless DSS functions across a three-page view. The Gigabit passthrough ports at the rear mean no speed penalty for PC connections. The overall form factor is similar to the T33G but slightly wider.

Call quality on Australian NBN

The T43U supports the full Yealink codec range including G.722 and OPUS. Call quality on NBN is excellent when QoS is configured and SIP ALG is disabled. The dual USB ports allow a USB headset to handle the audio path directly from the phone, which is the preferred setup for long-duration calls -- Audio quality depends on the specific headset and its implementation, not solely on whether it connects via USB or RJ9. Bluetooth headsets via an optional BT40/BT41/BT52 dongle work well for mobility within the office. The dongle is sold separately from AU retailers. It inserts into one of the USB ports and pairs with compatible Bluetooth headsets. Check Yealink's headset compatibility list before buying, as not all Bluetooth headsets are certified. For Wi-Fi connectivity, the WF50 USB dongle (also sold separately) can be inserted in the second USB port. This approach means both USB ports may be used if you want both Wi-Fi and Bluetooth -- in which case the T54W (built-in both) is a cleaner solution.

Features

  • Dual USB-A ports -- the T43U's defining feature over the T33G. Both ports are USB-A and support USB headsets, an optional BT40/BT41/BT52 Bluetooth dongle, the WF50 Wi-Fi dongle, and USB recording devices. The two ports give flexibility that single-USB phones don't have.
  • 12 SIP accounts -- supports up to 12 simultaneous SIP registrations. In most AU SMB deployments, 2-4 are actively used but the headroom is useful for multi-line deployments.
  • 21 DSS keys with LED -- fewer than the T46U's 27 keys, but sufficient for medium-complexity BLF monitoring. For reception desks that need to monitor 20+ extensions, the T46U or GXP2170 are better choices.
  • EXP43 expansion module support -- the T43U supports the Yealink EXP43 expansion module, adding 60 additional BLF keys. Relevant if BLF monitoring becomes a requirement after deployment.
  • Auto provisioning -- The T43U supports Yealink RPS and standard auto-provisioning. MaxoTel states that current, up-to-date Yealink handsets are compatible with its automatic provisioning; confirm support separately with other providers..

What works / What doesn't

Pros

  • Dual USB ports provide flexible headset and accessory connectivity, although the T46U and T48U also offer dual USB ports.
  • Bluetooth headset support via an optional BT40/BT41/BT52 dongle -- covers cordless headset use cases
  • 12 SIP lines with Gigabit passthrough -- no limitations for standard deployments
  • EXP43 expansion module support for BLF scaling
  • Good value for headset-focused desks vs T46U or T54W

Cons

  • Mono screen only -- no colour BLF visibility (T46U and T54W have colour screens)
  • Bluetooth not built in -- a BT40/BT41/BT52 dongle is an additional purchase
  • Wi-Fi not built in -- WF50 dongle uses one USB port, leaving only one free
  • 21 DSS keys is less than T46U's 27 -- limitation for large BLF monitoring needs

Australian pricing and where to buy

The T43U is stocked by Computer & Parts Land, Mwave, UMart, and other AU IT retailers. At the time of audit, Australian advertised pricing was approximately $199-$249 AUD at major retailers, with occasional lower offers. The Bluetooth dongle is sold separately at most AU retailers. Prices on this page update weekly from StaticICE. The T43U is also available on Amazon AU (ASIN B0CH8RHC68). For single-unit purchases, Amazon AU is a convenient option with fast delivery.

The Yealink T43U is also available from Digiphone, an Australian specialist in business VoIP hardware.

Deploying T43U phones for a headset-heavy team? MaxoTel supports automatic provisioning for current, up-to-date Yealink handsets, including the T43U; some older Yealink models are excluded.

Get a Phone System Recommendation

Verdict

The T43U is the right phone for desks where a headset is the primary call interface and USB connectivity matters. The dual USB ports and Bluetooth dongle support cover the majority of AU business headset use cases at a lower price than the T54W. If your staff don't use headsets, buy the T33G instead -- it's cheaper and the colour screen is more useful than the extra USB ports for desk phone-only call handling. If you need Wi-Fi and Bluetooth built in without dongles, the T54W is the cleaner solution.

Frequently asked questions

The T43U sits in the mid-range tier alongside several strong Grandstream alternatives. Our best SIP desk phone Australia guide compares all current mid-range models with pricing, features, and recommended use cases to help you confirm the T43U is the right choice for your team.

Pairing the T43U with the right cloud platform makes a significant difference to call quality and provisioning ease. Our guide to the best VOIP phone system for small business in Australia includes Yealink-compatible PBX recommendations and pricing for Australian SMBs.

New to IP phones or setting up a Yealink T43U for the first time? Our new IP phone setup guide covers VOIP provider selection, SIP credential entry, Ethernet connection, auto-provisioning, and troubleshooting the "Not Registered" display -- everything you need before making your first call.

Can I use a Bluetooth headset with the Yealink T43U?
Yes, with an optional Yealink BT40, BT41 or BT52 Bluetooth dongle (sold separately). The dongle inserts into one of the T43U's USB ports and pairs with compatible Bluetooth headsets. Check Yealink's headset compatibility list for verified models. If you want Bluetooth built in without a dongle, the T54W is the better choice.
What is the difference between the Yealink T43U and T33G?
The T43U has dual USB ports and up to 12 SIP accounts, while the T33G has no USB port and supports up to 4 SIP accounts. The T33G has an RJ9 headset port and supports compatible wireless headsets through the optional EHS35 adapter. The T33G has a colour screen; the T43U has a mono screen. Buy the T43U if your staff use USB headsets or you need Bluetooth headset support. Buy the T33G if USB connectivity isn't needed and the colour screen is a higher priority.
T43U or T46U -- which should I buy?
Buy the T46U if BLF visibility (colour screen, 27 DSS keys) is the priority -- for reception desks and team leads monitoring multiple extensions. Both the T43U and T46U support USB headsets and Bluetooth through optional BT40/BT41/BT52 dongles. Choose between them based principally on display, DSS-key and SIP-account requirements.
Does the Yealink T43U work on NBN in Australia?
Yes. It is a SIP phone compatible with all NBN types. Disable SIP ALG on your router, enable QoS for voice traffic, and Register it with a SIP service that supports compatible BYO handsets, after confirming device support and provisioning requirements with the provider.. USB headsets connected to the T43U handle audio at USB quality, which is typically better than analogue headsets on the same connection.
Does the T43U have Wi-Fi?
Not built in. Wi-Fi requires the optional WF50 USB dongle, which inserts into one of the two USB ports. If you use both Wi-Fi (WF50) and Bluetooth (BT41) simultaneously, both USB ports are occupied and no USB headset can be connected at the same time. If Wi-Fi and Bluetooth are both required, the T54W (both built in) is the better choice.

Not sure if the T43U or T54W is the right fit for your team's headset setup?

Get a Free Recommendation