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    • 1. 发明授权
    • Arrangement for call forwarding in a mobile services switching center
    • 移动业务交换中心的呼叫转移安排
    • US6167256A
    • 2000-12-26
    • US875463
    • 1997-06-20
    • Petteri Yla-OutinenMatti Keskinen
    • Petteri Yla-OutinenMatti Keskinen
    • H04M3/42H04M3/54H04W4/16
    • H04W4/16H04M3/54H04M3/545
    • A mobile services switching center for forwarding a subscriber directory number terminating call to a call forwarding number which is retrieved from a separate subscriber database. The mobile services switching center contains a call forwarding database which stores directory numbers of forwarding parties from each of which a set-up of a forwarded call is in progress. The call control of the mobile services switching center is arranged to check, prior to initiating call forwarding, whether a directory number of the forwarding party is included in the call forwarding database. The call control of the mobile services switching center is further arranged to release the call in response to the directory number of the forwarding party being included in the call forwarding database, in order to avoid looping of the call due to the call forwarding, and, in response to the directory number of the forwarding party not being included in the call forwarding database, to insert the directory number of the forwarding party in the call forwarding database, and to continue the call forwarding.
    • PCT No.PCT / FI95 / 00704 Sec。 371日期:1997年6月20日 102(e)日期1997年6月20日PCT 1995年12月21日PCT PCT。 公开号WO96 / 20554 日期1996年7月4日移动业务交换中心,用于将用户号码号码终止呼叫转移到从单独的用户数据库检索的呼叫转移号码。 移动业务交换中心包含呼叫转移数据库,该数据库存储转发呼叫的建立正在进行的转发方的目录号码。 移动业务交换中心的呼叫控制被配置为在发起呼叫转移之前检查转移方的目录号码是否包括在呼叫转移数据库中。 移动业务交换中心的呼叫控制进一步安排为响应于呼叫转移数据库中包含的转发方的目录号码而释放呼叫,以避免呼叫转移引起的呼叫循环, 响应于未包括在呼叫转移数据库中的转发方的目录号码,将呼叫转移数据库中的转接方的号码簿插入,并继续呼叫转移。