接替是 V TA M系统服务控制点（ System Services Control Point, SSCP）在源 S S C P失效之 后接替相关设备的能力。给回是将拥有权返回给源拥有 S S C P。
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?系统业务控制点
...用户数据业务控制点 PDSCP Prepaid Data Service Control Point 系统业务控制点,系统服务控制点 system services control point 服务控制点，业务控制点〖通信智能网 SCP ServiceControlPoint ..
双语例句
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A network services request unit that is sent by a systemservicescontrolpoint (SSCP) to a logical unit (LU) to inform the LU of the status of a procedure requested by the LU.