SmartCall provides a second phone number on your existing phone, and much more. Ever dreamed having a separate professional line for your business without needing two phones or two SIM cards ? Now, you can with SmartCall ! No need to switch between phones and no extra cost to buy a second mobile phone. You can get a US mobile and landline number or any international number. With SmartCall, you will get even more features: - SMS: Send messages to contact the same way you would do it on your