Method and apparatus for providing call admission control for VoIP over wireless local area networks using a transparent proxy agent

摘要

The invention includes a method and apparatus providing call admission control for a wireless local area network (WLAN). A method includes extracting call signaling information from call signaling messages exchanged between a first user terminal and a second user terminal for establishing a voice call, where the second user terminal is being served by a wireless access point, and propagating a quality-of-service request toward the wireless access point which may be used by the wireless access point for determining whether or not to accept the voice call. The quality-of-service request includes at least one quality-of-service parameter determined using the extracted call signaling information. The at least one quality-of-service parameter is adapted for use by the wireless access point for determining whether or not to accept the voice call. The wireless access point then provides an indication as to whether it has accepted the voice call (in which case the voice call is completed) or whether it has rejected the voice call (in which case some other call handling may be applied to the voice call).