A system provided herein permits a communications network subscriber to establish a local contact database on at least one communications device. The local contact database can communicate with a global contact database to receive contact information updates for a group of subscribers stored within the local contact database. The contact information can include basic contact information, such as name, address, email address, and telephone number. The contact information can also include advanced contact information, such as registration and activity information for each communications device associated with the group of subscribers, location information, hotspot information, points of interest information, and social networking information. Methods are provided herein that permit subscribers to introduce each other and obtain contact information securely. Methods are also provided herein that permit subscribers to request further contact information after a communication session is terminated.