Usually when I hear a phone ringing (that isn't really ringing) its because the phone had been ringing earlier, or frequently.
So I personally don't count that as hallucinating, for me its more like a memory loop, even though its sounds real.
My hallucinations, lets see... Auditory:
Children singing, running commentary, most of a Whitney Houston album, an old couple discussing their grandson, radio static with faint music, women screaming obscenities at me and insulting me.
Visual: My computer screen rearranged itself and suddenly looked like the black and green binary code from the matrix, smoke emitting from random things that are definitely not on fire.
Olfactory: Burning bodies.
Yeah that's about it I think.