The present invention provides for efficient delivery of information between parties associated with a voice call. When a caller initiates a call to the called party, infrastructure is in place to access information associated with the caller and called party and exchange the information between the multimedia clients associated with the parties. The delivery of the information may be fully automated, or may require authorization by the parties owning the information. Further, information delivery may take place in multiple stages, wherein automated information is initially provided and on-demand information, which requires authorization by the party owning the information, is sent to the other party's multimedia client upon receiving such authorization. Preferably, the address to a location capable of providing the information is initially delivered to the multimedia clients, which can request the information based on the address as desired by the parties involved in the call.