The Three-Party Service enables a user to establish a three-way conversation, i. e. a simultaneous communication between the served user and two other parties.
三方业务使用户能建立一个三方通话，即在被服务的用户和另两方之间同时进行通信。
The Three-Party Service enables a user to establish a three-way conversation, i. e. a simultaneous communication between the served user and two other parties.
三方业务使用户能建立一个三方通话，即在被服务的用户和另两方之间同时进行通信。
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