No! A Desktop Softphone is just one of the device types supported by the UniTel Voice Phone System.
UniTel Voice has plans to suit your needs. The Mobile App is available on all plans. Desktop Softphones and IP Devices are supported on the Office Plan. Learn More about the Office Plan here.
You can always use the free UniTel Voice Mobile App on your smartphone to make and receive calls.
Install a Softphone App onto your Windows or Mac computer to make and receive calls.
Purchase a Desk Phone or VoIP ATA and make and receive calls from a physical phone.