针对传统呼叫转移存在的缺陷，本文提出了一种新型增值业务：个性化呼叫转移。

According to the defects of the traditional call transfer, this paper proposes a new value-added service which is called customized call transfer.

youdao

针对传统呼叫转移存在的缺陷，本文提出了一种新型增值业务：个性化呼叫转移。

According to the defects of the traditional call transfer, this paper proposes a new value-added service which is called customized call transfer.

youdao