[Connection Properties] duplexmode [Definitions] If connectionid is ever specified in the creation of a bridge with a conference or another connection via , this property identifies the duplex mode of that bridge. The value of this property is a character string that will be equal to "half" or "full" depending on whether the established bridge was unidirectional (for half duplex) or bidirectional (for full duplex). This property will be updated each time a is executed. [Optional] 
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