Can you provide the full stacktrace ?
I think that - by the time you execute RunCommand - you're no longer able to write to the socket (but read still works, hence IsConnected returns true).
Don't you have logs on the modem ?
I think that - by the time you execute RunCommand - you're no longer able to write to the socket (but read still works, hence IsConnected returns true).
Don't you have logs on the modem ?
