the opening event for phonebook is on the 18th February, from 8 - 10pm GMT+1 (between 3am - 5am  19th Febraury Perth time)
To be part of the installation by interuppting and adding to it,  you can call either of theses number, its free:
+4915111127081 - Burroughs
+4915118900484 - Cage/Feldman

Your call will interupt the book readings with either William Burroughs, king of cut up culture; or an interview between John Cage and Morton Feldman - masters of things aleatoric.

Both these excepts have been accessed from audio databases and podcasts holding creative commons licenses.