| 摘要 |
A mobile communication handset (D0) which is configured for communicating by a cellular or PCS or cordless call over a first wireless link (L1) to a base station (12), and is also configured for communicating with one or more other communication devices (D2...Dn) over other respective wireless direct device-to-device second links (L2...Ln) implemented by the Bluetooth Intercom Profile, is provided with functionality to carry on a group call by appropriately combining speech signals carried by the various links and by the handset. The first wireless link (L1) may be a cordless link which is implemented by the Bluetooth Telephony Profile. Alternatively, the first link may also be configured as wireless direct device-to-device link, in which case all wireless links involved in the group call are implemented by the Bluetooth Intercom Profile.
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