1. Technical difficulties with OTP service provider.
You may click on ‘resend‘ or ‘try a different verification method‘ options.
The types of verification methods available are SMS, WhatsApp and phone call.
![](https://www.doctoroncall.com.my/help/wp-content/uploads/2022/03/image-1024x637.png)
![](https://www.doctoroncall.com.my/help/wp-content/uploads/2022/03/Screenshot-2022-03-17-230132-1024x481.png)
2. Unstable mobile connection
Unstable or lost of mobile connection causes delay in sending OTP requests. You may try requesting for the OTP again upon restoration of your mobile connection.