会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明授权
    • AN IP BASED TELEPHONE SYSTEM
    • 基于IP的电话系统
    • EP1198945B1
    • 2006-06-28
    • EP00952100.6
    • 2000-08-02
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)
    • SJÖLUND, JanFURTENBACK, Ros-MarieGJÄRDMAN, JanNYLANDER, Tomas
    • H04M7/00H04L12/56
    • H04M7/063H04M7/122
    • The invention provides a hybrid arrangement, which allows an existing circuit switched telephony network to be deployed on a packet switched network. The circuit switched underlying transport network is replaced with that of an IP based package switched network (30), while the circuit switched infrastructure, such as terminals, telephone exchanges and the like are retained. In preferred embodiments of the invention, both a subscriber (10, 11, 20, 21) and a local telephone exchange (40, 50) are connected to, and separated by, an IP based packet switched network such as the Internet (30). Signalling between the subscriber (10, 11, 20, 21) and exchange (40, 50) are effected using a standard user to network protocol, such as V5.1 for PSTN and ISDN BRI or DSS1 for ISDN PRI. This standard user to network protocol is overlaid on an IP based network protocol, such as TCP or UDP on IP.
    • 本发明提供了一种混合装置,其允许将现有的电路交换电话网络部署在分组交换网络上。 电路交换基础传输网络被替换为基于IP的封装交换网络(30)的电路交换网络,而电路交换基础设施,例如终端,电话交换机等被保留。 在本发明的优选实施例中,用户(10,11,20,21)和本地电话交换机(40,50)都连接到诸如因特网(30)之类的基于IP的分组交换网络并由它们分开, 。 用户(10,11,20,21)和交换机(40,50)之间的信令使用标准的用户到网络协议实现,例如用于PSTN的V5.1和用于ISDN PRI的ISDN BRI或DSS1。 这种标准的用户到网络协议覆盖在基于IP的网络协议上,例如IP上的TCP或UDP。