Represents the toast message that can be sent along with an INVITE.
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
This example shows how to establish a call to a Uri with a toast message.
C# Establish call with toast message
call.BeginEstablish( destinationUri, new ToastMessage("Do you have a minute?"), null /*options*/, this.EstablishCompleted, call /*state*/);