If you ever get the opportunity to visit "this museum is (not) obsolete" in the UK it has an excellent room with a working analog phone exchange. You can dial

If you ever get the opportunity to visit "this museum is (not) obsolete" in the UK it has an excellent room with a working analog phone exchange. You can dial rotary phones around the place and watch the switching machines come alive, see the tape loops play back system messages, etc etc its really cool. Plus its right next to the micro museum