Sending electronic text messages on Shabbat (SMS).
If a Shaliach has a network of automatic telephone messages to various international designations with options for hearing lessons by clicking a button, is it permissible to leave the network in Israel, for example, open in a manner that the abovementioned service will be available to people out of Israel at times when it is not Shabbat there but in Israel it is?
Answer: It is permissible to leave the network open on Shabbat.