International calling refers to the process of making phone calls from one country to another. This can be done using landlines, mobile phones, or internet-based services. To connect a call internationally, you typically need to dial an international access code, the country code for the destination, and the local phone number. Many telecommunications companies offer international calling plans that can reduce costs for frequent callers. Additionally, services like VoIP and video calling apps allow users to make international calls over the internet, often at lower rates or even for free, depending on the service used.