Huixin call desk is a value-added product of CENTREX, and it can only be used if there is CENTREX. It adopts multi-channel ordinary telephone connection, and has the functions of multi-channel incoming call manual/automatic transfer, voice prompt, total recall and so on. , which realizes the non-blocking outgoing/incoming call of CENTREX users, and has the functions of instant billing for Centrex users and super secretary desk.
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