With the Call.com app, you can effortlessly communicate with your contacts through chats, calls, and video calls. If you're contacting another Call.com user, online calls and chats are free. Call.com can be used worldwide, but keep in mind that certain features may vary based on your location.
Besides this,
Call.com offers a range of free and low-cost phone numbers on its mobile app for making calls and sending messages. This means you don't need any other service. You can save money on local and international calls and use multiple phone numbers on your existing phone. This way, you can keep your personal number private and use your Call.com numbers for different purposes.
You can use Call.com on all your devices simultaneously. Your messages and call history are automatically synced across all your devices for a seamless experience.
Note: You cannot make simultaneous calls from multiple devices using a single account.