A VoIP softphone is a program that installs to and runs from your computer. A VoIP softphone enables you to make calls with just your computer using a VoIP service.
At SmartCommunication we make use of Grandstream. This enables users to move freely and continue to receive calls from any business or residential SIP account. Utilize on any AndroidTM or iOS device to increase mobility and stay connected to essential communications.
Download: VoIP Softphone Datasheet
The Grandstream Wave is a free softphone application that allows users to connect to their SIP accounts from anywhere in the world