The partner of a player who asks a question may not ask a supplementary question until his turn to call or play.
直到轮到其叫牌或打牌前询问牌手的搭档不克不及补充询问。
This Recommendation specifies the DSS 1 signalling requirement on the N-ISDN user-network interface for the Explicit Call Transfer (ECT) supplementary service.
本建议规定了在N - ISDN用户-网络接口上用于明确呼叫转移(ECT)补充业务的DSS1信令要求。
The ECT supplementary service enables an ISDN user who has two calls, into one call.
ECT补充业务能使具有两个呼叫的用户转移到一个呼叫中去。
The call HOLD (HOLD) supplementary service, allows a user to interrupt communications on an existing call and then subsequently, if desired, re-establish communications.
呼叫保持补充业务能允许一个用户中断一个已经存在的呼叫的通信，随后在要求时仍可重建通信。
The call HOLD (HOLD) supplementary service, allows a user to interrupt communications on an existing call and then subsequently, if desired, re-establish communications.
呼叫保持补充业务能允许一个用户中断一个已经存在的呼叫的通信，随后在要求时仍可重建通信。
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