Patent ID: 7574528

Claim:
In a system for distributing presence information, a method for allowing a content subscriber to access the presence information comprising: receiving from the content subscriber on a one-to-one transmission channel, a subscription request for presence information; inserting an address within a notification message in response to receiving the subscription request, the address within the notification message directing the content subscriber to a one-to-many transmission channel to receive the presence information transmitted using the one-to-many transmission channel; inserting an address identifier within the notification message, the address identifier indicating an availability of the address within the notification message; transmitting the notification message to the content subscriber using the one-to-one transmission channel, the address of the notification message allowing the content subscriber to subscribe to the presence information using the one-to-many transmission channel; determining, by the content subscriber, a recognition of the address identifier; and, in accordance with a recognition of the address identifier within the notification message, subscribing to the presence information using the one-to-many transmission channel resulting in the content subscriber receiving the presence information from a presence server of the system by the one-to-many transmission channel.