SCPs are centralized databases that provide enhanced services (e.g.,800 and 900 calls,calling card validation and fraud protection) and support operations to another SCP or SSP.

• SCP 是集中式数据库，提供增强服务的(例如，800 和 900 呼叫、呼叫卡验证和欺诈防护)并支持对其他 SCP 或 SSP 进行的操作。