US8831190B2
patent
Methods, systems, and apparatus, including computer pro gram products, in which a first telephone number is associ ated with a second telephone number, and a web-based adver
20 claims. 73,713 characters of text.
patent
Methods, systems, and apparatus, including computer pro gram products, in which a first telephone number is associ ated with a second telephone number, and a web-based adver
20 claims. 73,713 characters of text.