发明名称 |
INTERNATIONAL ROAMING SERVICE FOR PERMITTING A CELLULAR/WIRELESS TELEPHONE INSTRUMENT TO ACCESS DIFFERENT WIRELESS TELEPHONE NETWORK/SYSTEMS |
摘要 |
A cellular/wireless foreign subscriber is enabled to use her/his own cellular/wireless telephone instrument in a local cellular/wireless (C/W) network/system by entry of a code and a PIN into the local network/system desired to be use d. The local C/W network/system algorithmically responds to the code and PIN by changi ng characteristics of the radio equipment of the local C/W network/system to accommodate operation of the subscriber's cellular/wireless telephone instrument with th e network/system desired to be used.
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申请公布号 |
CA2316088(A1) |
申请公布日期 |
2001.02.27 |
申请号 |
CA20002316088 |
申请日期 |
2000.08.17 |
申请人 |
AT&T CORP. |
发明人 |
RUSSELL, JESSE EUGENE;OKORO, JEREMIAH |
分类号 |
H04M3/00;H04W8/26;H04W88/06;(IPC1-7):H04Q7/36 |
主分类号 |
H04M3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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