A wireless conference system adapted to enable a plurality of users to participate to a conference in a conference room, said wireless conference system comprising an access point (101; 300) and a plurality of conference units (111-115; 200), - wherein said access point (101; 300) and one or more of said conference units (111-115; 200) comprise a transceiver (201; 301) configured for bi-directional, time division multiple access based or TDMA based wireless communication of latency sensitive audio data packets between said one or more conference units (111-115; 200) and said access point (101; 300), said transceiver (201; 301) comprising a transmitter (210; 310) and receiver (220; 320); - wherein said access point (101; 300) and said one or more conference units (111-115; 200) comprise respective clocks (203; 303) that are actively synchronised, a clock (203; 303) of said respective clocks being configured to generate a local audio clock signal used locally for processing said audio data packets and a local synchronisation clock signal used for said TDMA based wireless communication; - wherein said receiver (220; 320) comprises a packet loss detection unit (222; 322) configured to detect loss of an audio data packet transmitted from a conference unit (111-115; 200) to said access point (101; 300) or vice-versa, said packet loss detection unit (222; 322) comprising: - means (223; 323) configured to determine an expected arrival time for said audio data packet from said local synchronisation clock signal and from a predetermined expected transmission delay, and - means (224; 324) configured to detect that said audio data packet is lost if it has not arrived by said expected arrival time; and - wherein said receiver (220; 320) comprises a packet loss concealment unit (225; 325) configured to generate a replacement packet for said audio data packet that is detected to be lost by said packet loss detection unit (222; 322). - wherein said access point (101; 300) and one or more of said conference units (111-115; 200) comprise a transceiver (201; 301) configured for bi-directional, time division multiple access based or TDMA based wireless communication of latency sensitive audio data packets between said one or more conference units (111-115; 200) and said access point (101; 300), said transceiver (201; 301) comprising a transmitter (210; 310) and receiver (220; 320); - wherein said access point (101; 300) and said one or more conference units (111-115; 200) comprise respective clocks (203; 303) that are actively synchronised, a clock (203; 303) of said respective clocks being configured to generate a local audio clock signal used locally for processing said audio data packets and a local synchronisation clock signal used for said TDMA based wireless communication; - wherein said receiver (220; 320) comprises a packet loss detection unit (222; 322) configured to detect loss of an audio data packet transmitted from a conference unit (111-115; 200) to said access point (101; 300) or vice-versa, said packet loss detection unit (222; 322) comprising: - means (223; 323) configured to determine an expected arrival time for said audio data packet from said local synchronisation clock signal and from a predetermined expected transmission delay, and - means (224; 324) configured to detect that said audio data packet is lost if it has not arrived by said expected arrival time; and - means (223; 323) configured to determine an expected arrival time for said audio data packet from said local synchronisation clock signal and from a predetermined expected transmission delay, and - means (224; 324) configured to detect that said audio data packet is lost if it has not arrived by said expected arrival time; and - wherein said receiver (220; 320) comprises a packet loss concealment unit (225; 325) configured to generate a replacement packet for said audio data packet that is detected to be lost by said packet loss detection unit (222; 322). <EOS>