> Now I have detected, that the server executes the whole SP
> to the end and then sends the first row to the client.

Not to the end but enough rows to fill network packet

> That's exactly
> why I don't want. Exists a way achieve, that the server starts the SP
> and send a row to the client after every 'suspend'?

SELECT ... FOR UPDATE will force remote subsystem to fetch
rows one by one

Regards,
Vlad