Patent ID: 8843658

Claim:
A method for transmitting data to a first subscriber, comprising: assigning to the first subscriber a first primary service communication facility for communication via a primary communication service and a first secondary communication facility for communication via a secondary communication service; assigning primary address information to the first primary service communication facility and assigning secondary address information to the first secondary service communication facility, wherein in the context of a connection signaling via the primary communication service from the first primary service communication facility to a second primary service communication facility, the primary address information and the secondary address information are transmitted via the primary communication service during the connection signaling from the first primary service communication facility to the second primary service communication facility via the primary communication service, and the second primary service communication facility identifies the transmitted primary and secondary address information and stores them in an address book with mutual assignment; transferring the stored secondary address information from the second primary service communication facility to a second secondary service communication facility for a transmission of data to the first subscriber; and transmitting by the second secondary service communication facility, the data to be transmitted to the first subscriber via the secondary communication service to the first secondary service communication facility using the transferred secondary address information; and wherein address information for the second primary service communication facility is used for at least one of addressing and network path control for the connection signaling from the first primary service communication facility to the second primary service communication facility, and wherein the second primary service communication service receives the secondary address information without access to an assignment table of an exchange that identifies at least one of the primary address information of the first primary service communication facility and the secondary address information of the first secondary service communication facility.