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    • 4. 发明授权
    • Method for determining a free connecting line in a switching center having a number of subscriber access units
    • 用于确定具有多个用户接入单元的交换中心中的空闲连接线路的方法
    • US06950509B2
    • 2005-09-27
    • US10274357
    • 2002-10-21
    • Alfred Schneider
    • Alfred Schneider
    • H04M7/00H04Q3/545
    • H04Q3/545H04M7/00H04Q2213/1302H04Q2213/1304H04Q2213/13141H04Q2213/13383H04Q2213/13386
    • A method for determining a free connecting line in a switching center having a number of subscriber access units is provided. The access units are controlled by a switching center. At least one group of transmission lines of a subscriber access unit and, possibly, a group of lines of the line trunk group form a logical group of lines, which connects the switching center to another switching center. When an incoming or outgoing call which is intended for another switching center occurs at the subscriber access unit, a check is carried out to determine whether a connecting line which leads away from this subscriber access unit in the group of lines is free for a call, and, if one of these connecting lines is free, a connection is set up to the other switching center via this connecting line.
    • 提供一种用于确定具有多个用户接入单元的交换中心中的空闲连接线路的方法。 接入单元由交换中心控制。 用户接入单元的至少一组传输线路,以及可能的线路中继线路组的一组线路形成逻辑线路组,其将交换中心连接到另一个交换中心。 当在用户接入单元发生用于另一交换中心的呼入或呼出呼叫时,进行检查以确定在该组线路中远离该用户接入单元的连接线是否可用于呼叫, 并且如果这些连接线之一是空闲的,则通过该连接线将连接设置到另一交换中心。
    • 10. 发明授权
    • Architecture for providing flexible, programmable supplementary services in an expandable telecommunications system
    • 用于在可扩展电信系统中提供灵活,可编程的补充业务的架构
    • US06898199B1
    • 2005-05-24
    • US09272636
    • 1999-03-18
    • Michael C. SilvaMark P. Hebert
    • Michael C. SilvaMark P. Hebert
    • H04Q3/00H04Q3/545H04L12/56H04Q11/08
    • H04Q3/0054H04Q3/54525H04Q2213/1305H04Q2213/13103H04Q2213/13109H04Q2213/13349H04Q2213/1338
    • This invention relates to a supplementary services layer (SSL) application in the switching node for the development and execution of subscriber-based supplementary services. The SSL communicates with the L4 application through an L4-L5 interface. Therefore, a system operator may configure the switching node to execute supplementary services without intervention from a host application and without modification to the current L4 application. The SSL also communicates with the L5 application in order for that application to integrate supplementary services without further modifications. The SSL comprises a Database Interface Service, a Service Object Manager (SOM) and one or more instances of a Supplementary Service Object (SSO). The database interface service provides connection to an external database which stores each subscriber's profile. Each SSO instance implements one or more supplementary services for a call. The SOM exercises overall control over these SSO instances.
    • 本发明涉及用于开发和执行基于用户的补充业务的交换节点中的补充业务层(SSL)应用。 SSL通过L4-L5接口与L4应用程序进行通信。 因此,系统操作者可以将交换节点配置为执行辅助服务,而无需来自主机应用的干预,而不修改当前的L4应用。 SSL还与L5应用程序通信,以便该应用程序集成补充服务,无需进一步修改。 SSL包括数据库接口服务,服务对象管理器(SOM)和辅助服务对象(SSO)的一个或多个实例。 数据库接口服务提供与存储每个用户简档的外部数据库的连接。 每个SSO实例都实现一个或多个用于呼叫的补充业务。 SOM对这些SSO实例进行整体控制。