Schengen visas are obtained from the embassy of the country you are first going to visit in the Schengen area.
If you've already had a Schengen Visa then go to an European coutry signed the Schengen Agreement, of course you could go to other Schengen countries.
No
The Philippines is not part of the Schengen area and does not issue Schengen visas. You need to apply to the embassy or consulate of the first Schengen country you wish to visit.
It depends on your nationality.The UK is not part of the Schengen Area, it has different visa requirements to France and their is passport control between Paris and London.Even if you have a Schengen visa, it is not valid for the UK.
If you have a Schengen Visa, you do not need a Visa to enter Switzerland. But, just make sure that you have this written "Schengen Estate" on the visa. It means that all Schengen countries are included in the visa. Anyway, once you enter Europe, nobody asks you about your visa or passport.
Yes, Switzerland is part of the Schengen Area. Schengen visas are valid.
If you need a Schengen Visa it applies for all Schengen countries, this means that you can then travel freely within the Schengen area for the length of your visa.
No. Cyprus is not part of the Schengen Area. A Schengen visa is not valid in Cyprus.
Yes.If you need a Schengen Visa it applies for all Schengen countries, this means that you can then travel freely within the Schengen area as long as your visa remains valid.
Ukraine is not part of the Schengen Area. A Schengen visa is not valid in the Ukraine.
No, a Schengen visa is not valid for Istanbul. Istanbul is in Turkey, and Turkey is not part of the Schengen Area.