Methods and apparatus for providing ubiquitous and configurable communications between users is provided. Ubiquity and other features are provided using a common identifier linking two or more users. In one embodiment, a common identifier is automatically provided when call forwarding is directed to a designated phone number. In another embodiment, a user can cause a common identifier to be created linking the user with a user of their choice by sending a text message to a designated address. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the subject matter of the disclosure contained herein. This Abstract is submitted with the explicit understanding that it will not be used to interpret or to limit the scope or the meaning of the claims.