A broadband address of a first subscriber is identified and communicated to a second subscriber in a first communication system using an SMS data enabled cellular system or call origination set up messaging. If authorization is given by the second subscriber, the broadband address of the second subscriber is delivered to the first subscriber by the first communication system, whereby the first and second subscribers have exchanged their respective broadband addresses over a first communications system where the broadband addresses are utilized for broadband communications over a second communication system.