At this time of this document, we have SMS client for Windows and Mac.
Download the application and follow the installation instructions.
You will need extension web password, Company phone number and Extension number to login in SMS application. If you dont have it, as your Account Admin for that information.
Setup SMS Application.
Open the SMS Desktop Client
SMS Application Login Screen
Enter your Extension, Web Password and Number assigned to your extension.
PS: Best practice will be to assign one number for each user.
On Successful login you will be in the dashboard.
SMS Application Dashboard
Send a New Messages. Click on Chat Icon to send a new messages. The application give you ability to send messages from multiple phone numbers. Choose the number you want to send SMS/MMS from.Type in the 11 digit number you want to send SMS to.