How to Take Payments Over the Phone Securely
Taking payments over the phone is still a critical part of many businesses, especially in B2B, hotels & hospitality, and service-led industries.
But the traditional way of doing it — asking customers to read out their card details — creates serious risks around fraud, chargebacks, and PCI DSS compliance.
The good news is that there are now more secure and efficient ways to handle telephone payments without exposing your business to unnecessary risk.
How Do Telephone Payments Work?
A typical over-the-phone payment involves:
- The customer calls your business
- They provide their card details verbally
- You enter the details into a card machine or virtual terminal
- The payment is authorised by the issuing bank
While this process is simple, it comes with several hidden risks.
The Risks of Taking Card Details Over the Phone
Fraud risk
You cannot verify that the caller is the genuine cardholder.
Chargeback liability
If the transaction is disputed, the business is usually responsible for the loss.
PCI DSS exposure
Handling card data directly increases your compliance requirements and potential penalties.
Data security concerns
Card details can be overheard, recorded, or mishandled, putting both your business and your customers at risk.
Why Authorisation Isn’t Enough
A common misconception is that an “authorised” payment is a safe payment.
In reality:
- authorisation only confirms funds are available
- it does not confirm the identity of the payer
- it does not protect against chargebacks
This is why many telephone payments are classified as high-risk transactions.
Modern Ways to Take Payments Over the Phone
Businesses are moving away from manual card capture and adopting more secure methods.
1. Pay-by-link during the call
Send a secure payment link via SMS, email, or messaging while speaking to the customer.
The customer completes the payment on their own device.
2. Open Banking payments
Customers approve the payment directly through their banking app, removing the need for card details entirely.
3. Authenticated card payments
Using 3D Secure or Strong Customer Authentication ensures the cardholder verifies the transaction.
Real-World Example
A sales agent closes a deal over the phone.
Traditional approach:
The agent takes card details verbally and processes the payment manually.
Modern approach:
The agent sends a secure payment link while on the call.
The customer completes the payment instantly on their device.
The result:
- faster payment
- reduced risk
- better customer experience
Why These Methods Are More Secure
These approaches:
- remove sensitive card data from your environment
- allow the customer to authenticate the payment themselves
- reduce fraud and chargeback risk
- simplify PCI DSS compliance
They also create a smoother experience for the customer, which can improve conversion rates.
Best Practices for Secure Telephone Payments
To reduce risk and improve efficiency:
- avoid writing down or storing card details
- never record sensitive payment information
- use secure, encrypted payment systems
- train staff on handling payments safely
- offer alternative payment methods where possible
Even small changes can significantly reduce exposure.
How SOTpay Transforms Telephone Payments
SOTpay replaces manual card capture with a secure, flexible payment process.
With SOTpay, you can:
- send payment links in real time during calls
- accept payments via SMS, email, WhatsApp, or live chat
- enable card or Open Banking payments
- authenticate transactions to reduce fraud
- keep card data completely out of your environment
This allows businesses to take payments confidently without increasing compliance burden.
Our team of payment experts are on hand to offer professional advice on how you can not only take secure payments over the phone, but save money doing it. Get in touch for a demonstration of the power of SOTpay now.
