Voice Picking (Pick-by-Voice) for Warehouses & 3PL

Pick-by-Voice has been the primary application for Voice in the warehouse for over 20 years. During this time new features and functionalities have been developed in order to improve also other warehouse operations. Voice directed solutions decrease errors, enhance customer satisfaction, improve ergonomics and diminish carbon footprint.

Warehouse solutions · Voice picking · Pick-by-Voice

Honeywell Vocollect · AbakusDirect

Voice picking in the warehouse – hands-free, eyes-free order picking

Pick-by-Voice has been the main voice application in warehouses for over 20 years. Today voice covers the whole warehouse, from receiving to shipping. Voice-directed solutions reduce picking errors, improve customer satisfaction and ergonomics, and lower your carbon footprint.

Warehouse worker using Honeywell Vocollect A700x voice terminal and SRX3 wireless headset
15–35%typical productivity improvement
−50%picking time per order at Verkkokauppa.com
50+orders at once in batch picking
20+ yearsof Pick-by-Voice in warehouses

How voice picking works

  1. Request an order

    The picker asks for a new order by voice and hears the location of the first product.

  2. Confirm the location

    The picker reads the check digit of the storage location, so picks from the wrong place are caught at once.

  3. Pick the quantity

    The system tells the quantity, and the picker confirms the number of items placed on the carrier.

  4. Repeat and ship

    The cycle repeats until the order is complete and sent to shipping.

Batch picking enhances operations

Single-order pickingOne order per round. Simple, but small orders with few lines mean a lot of walking per picked item.
Batch picking with voiceSeveral small customer orders are combined into larger batches – pickers can handle more than 50 orders at once. A confirmation dialogue prevents products from going onto the wrong pallet and reaching the wrong customer.

Batch picking works best for small orders with few lines and small quantities. Combining them into larger batches reduces picking errors and increases efficiency.

Cross-docking – hectic moments in order handling

Cross-docking terminals are busy, and supply-chain errors are costly. Supplier pallets are not stored but routed to a dispatch area and split into individual customer deliveries.

Terminals often handle dozens of pallets and thousands of orders, so the work must be both fast and accurate. Voice picking keeps the picker’s eyes on the pallets and confirms every step – exactly what cross-docking needs.

Cross-docking terminal with pallets split into customer deliveries
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Picking list display brings optimum picking order

A 3PL’s range can go from cement sacks to furniture and from crowbars to fluorescent lamps. A touchscreen on the forklift or picking cart lists all order lines, so pickers can put heavy and bulky items at the bottom of the pallet and fragile or small items on top. Large quantities can be split across batches and pallets. Voice keeps work hands-free and eyes-free, while the display lets pickers use their expertise – for well-packed pallets that survive the delivery route.

Case story: voice-directed picking at Verkkokauppa.com

Verkkokauppa.com has long been a pioneer in multi-channel order-to-delivery, delivering to homes, offices and pick-up points. Online orders with in-store pick-up are picked when the customer arrives, so speed and accuracy are essential. The key benefit of Vocollect Pick-by-Voice is batch picking, with pickers handling up to 40 orders concurrently.

Read more about Verkkokauppa.com’s project →

Verkkokauppa.com warehouse worker on a forklift
“With the new voice-directed picking solution the time used for picking one customer order has been reduced by 50%.”
Miika Heinonen, Logistics Director, Verkkokauppa.com Read the reference story →
“Since early times, we have been offering our products to customers through multiple channels. One distinct advantage of Pick-by-Voice provided by Vocollect is the possibility for batch picking or handling multiple orders at the same time.”
Henrik Weckström, CTO, Verkkokauppa.com Read the reference story →

More voice picking stories: A. Le Coq → · Kaukokiito → · Valio Aimo → · University Pharmacy → · Hospital District of Southwest Finland →

Voice across the whole warehouse

Agile all-in-voice processes

Processes from inbound to outbound can run on voice control, handheld devices, or both.

Shipping accuracy

Mobility and voice control typically improve productivity by 15–35% and bring shipping accuracy to a very high level.

Easy to customise

The workflow is configured to match your business needs.

Process quality and efficiency

AbakusDirect improves process quality and efficiency and lowers labour costs.

Better ergonomics

No paper lists or devices in hand – pickers can move and carry items freely.

Fast onboarding

The system guides new pickers step by step, so they are productive quickly.

Voice picking compared with paper lists and handheld scanning

Paper pick listsHandheld scanningVoice picking
Hands and eyesHands hold the list, eyes move between list and shelfOne hand holds the device, eyes on the screenHands and eyes free for the work
Error checkingManual, after the factBarcode scan per pickCheck digit per location and spoken quantity confirmation
Real-time visibilityNone until the list is returnedYesYes – supervisors see progress and order status
TrainingFast, but working methods varyModerateFast – the system tells the picker what to do next
Best fitVery small volumesProcesses that need scanning of every itemHigh-volume case and batch picking, cold stores, cross-docking

Voice and scanning can also be combined: for example, voice for picking and a scanner for serial numbers or batch codes.

Frequently asked questions about voice picking

What is voice picking?

Voice picking (pick-by-voice) is a warehouse picking method where the system gives instructions to the picker through a headset and the picker confirms each step by speaking. Hands and eyes stay free for the work, which improves accuracy, ergonomics and productivity.

How does voice picking work step by step?

The picker requests a new order by voice and hears the location of the first product. The picker reads the location check digit, hears the quantity to pick and confirms the number of items placed on the carrier. The cycle repeats until the order is complete and sent to shipping.

How much does voice picking improve productivity?

Mobility and voice control typically improve productivity by 15–35%. At Verkkokauppa.com, the time used for picking one customer order was reduced by 50% with voice-directed picking.

Can several orders be picked at the same time?

Yes. Batch picking combines several small customer orders into one picking round. A confirmation dialogue prevents products from going onto the wrong pallet. Verkkokauppa.com pickers handle up to 40 orders concurrently.

Can voice be used for other processes than picking?

Yes. Processes from inbound to outbound – receiving, putaway, replenishment, cycle counting and loading – can run on voice, on handheld devices, or both.

Which voice system does Optiscan offer?

Optiscan delivers Honeywell Vocollect voice solutions (Honeywell is now part of Brady) together with AbakusDirect, which directs the warehouse work and integrates with your existing ERP or WMS.

Book a free consultation

We go through your picking processes and show how voice would work in your warehouse. Call +358 9 476 6766 · info@optiscangroup.com