Changes related to "Number One Crossbar Switching System"
This is a list of changes made recently to pages linked from a specified page (or to members of a specified category). Changes to pages on your watchlist are shown with a green bullet.
19 September 2014
- (diff | hist) . . Telephone number; 13:34 . . (+74) . . 18.104.22.168 (website for international phone number validation added)