So you might not be able to contact the other side, but the Spooky Rotary Style Skull phone is wickedly fun from the artisan's at Katherine's Home Collection. 

A whimsical and unexpected Halloween decoration, the Halloween Spooky Phone is frighteningly fun for everyone. Add it to liven up a Halloween party; perfectly sized and fabulous detail make this fake phone a wonderful addition to your favorite spooky decor items.

The skull base is intricate with glitter, carved detail, jeweled detail and a helmet like back.  The headset has two jeweled skulls and the rotary is jeweled.  The headset sits on a spine cradle.  

Not a toy, for decorative use only.  Not a working phone.  

Katherines Collection Item 28-828200, UPC 810074122443

Katherines Collection, Last Call item, Final Sale.