Patent ID: 8046433

Claim:
A method comprising: receiving, at a server system coupled to serve a plurality of mobile devices operating on a wireless network, a signal representing initiation of a voice call from a mobile device of the plurality of mobile devices, the voice call being directed to a telephone number of a destination other than the server system; after receiving the signal representing initiation of the voice call and either before the voice call is connected to the destination or while the voice call is being connected to the destination: determining, in the server system, whether content is associated with the destination telephone number based on the destination telephone number; and determining, in the server system, whether the mobile device has a particular messaging capability; and in response to determining that content is associated with the destination telephone number, sending a signal to cause the mobile device to alert a user of the mobile device about the availability of content associated with the destination number, only if the mobile device has the particular messaging capability.