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    • 82. 发明申请
    • TELECOMMUNICATIONS NETWORK WITH RELOCATEABILITY OF SUBSCRIBER NUMBER
    • 电信网络具有订阅者号码的可靠性
    • WO1998018268A1
    • 1998-04-30
    • PCT/SE1997001746
    • 1997-10-17
    • TELEFONAKTIEBOLAGET LM ERICSSON
    • TELEFONAKTIEBOLAGET LM ERICSSONKALLIONIEMI, Karl-ErikKILHAGE, Per-Erik, MikaelOLSSON, Björn
    • H04Q03/00
    • H04W8/28H04Q3/0029H04Q3/005H04Q11/0435H04Q2213/13097H04Q2213/13098H04Q2213/13102H04Q2213/13103H04Q2213/13141H04Q2213/13176H04Q2213/13196H04Q2213/13204H04Q2213/13209H04Q2213/13216H04Q2213/1322H04Q2213/13284H04Q2213/13286H04Q2213/13345H04Q2213/13513H04Q2213/13532H04Q2213/13535H04Q2213/13547
    • A telecommunications domain (20) having subscriber number relocateablity includes a plurality of physical nodes or exchanges (22) between which calls are connected and a subscriber location server (30) which is connected to and accessed by each of the plurality of exchanges (22) in the domain (20). Each exchange (22) has a unique exchange identifier (ID). Generally, when a call is placed to a subscriber in the relocateability domain, a first exchange the call encounters in the domain queries the subscriber location server. When queried, the subscriber location server (30) returns a Network Routing Number (NRN) which includes a Network Routing Prefix (NRP). The Network Routing Prefix (NRP) is a node identifier (NI) for the local exchange to which the called party is connected. The exchange (22) to which the NRN is returned prepares a routing message for the call by including the Network Routing Prefix (NRP) in an Address Signal Field (ASF) of a routing message and by setting a number relocateability flag (NRF) in the routing message. Using the NRP of the routing message, the call is routed to the called party exchange (i.e., the terminating exchange). In the called party exchange, the exchange identifier is recognized as its "own" and thereafter the rest of the Address Signal Field (ASF) is analyzed to identify the called subscriber line.
    • 具有用户号码可定位的电信域(20)包括多个物理节点或交换机(22),所述多个物理节点或交换机(22)在其间连接呼叫,以及订户位置服务器(30),其被连接到并由所述多个交换机(22)中的每个交换机接入, 在域(20)中。 每个交换机(22)具有唯一的交换标识符(ID)。 通常,当在可重定位域中对订户进行呼叫时,呼叫在域中遇到的第一次交换查询订户位置服务器。 当查询时,用户位置服务器(30)返回包括网络路由前缀(NRP)的网络路由号码(NRN)。 网络路由前缀(NRP)是被叫方连接的本地交换机的节点标识符(NI)。 返回NRN的交换机(22)通过在路由消息的地址信号字段(ASF)中包括网络路由前缀(NRP)并通过在路由消息中设置数目可重新定位标志(NRF)来准备用于呼叫的路由消息 路由信息。 使用路由消息的NRP,该呼叫被路由到被叫方交换机(即终端交换机)。 在被叫方交换中,交换机标识符被识别为其“自己”,此后分析其余的地址信号字段(ASF)以识别被叫用户线路。