What is the phone works both ways meaning?

that the phone allows communication in both directions, that is, it can send and receive calls and messages. This is a basic function of any mobile phone or landline phone. When making a phone call, the device sends audio signals from the speaker of the user to the receiver's earpiece, allowing two-way voice communication. Similarly, when sending text messages or multimedia messages, the phone can both send and receive messages. This capability is essential for effective communication and is a standard feature of all modern communication devices.