Patent ID: 7948953
Filing Date: 2011-05-24
Classification: H04W

Abstract:
1. A wireless device of a network comprising: a memory; and a processor coupled to the memory, the processor to advertise services, that are provided by different basic service sets forming the network and each basic service set having the same service set identifier (SSID), by (1) transmitting a plurality of messages each corresponding to one of the basic service sets, the plurality of messages comprises (i) a first message including the SSID, a unique identifier identifying a first basic service set of the basic service sets and an attribute uniquely identifying the first basic service set, and (ii) a second message including the SSID, a unique identifier identifying a second basic service set of the basic service sets and an attribute uniquely identifying the second basic service set, (2) analyzing a Delivery Traffic Indication Message (DTIM) profile received from a second wireless device in response to at least one of the plurality of messages, (3) determining if the second wireless device is voice-over-IP capable through analysis of the DTIM profile, and (4) transmitting at least one message corresponding to one of the basic service sets, the at least one message comprises the SSID, an identifier uniquely identifying a first basic service set of the basic service sets and a DTIM value having either (i) a first value if the second wireless device is voice-over-IP capable or (ii) a second value if the second wireless device is voice-over-IP capable with the first value being greater than the second value.