发明名称 |
VERFAHREN UND ENDGERÄTE ZUR WEITERREICHUNG ZWISCHEN EINEM DRAHTLOSEN GROSSFLÄCHIGEN NETZWERK UND EINEM DRAHTLOSEN LOKALEN NETZWERK |
摘要 |
<p>A method to be performed by a user terminal with WWAN and WLAN interfaces, comprising steps of: communicating via the WWAN interface; inspecting whether its WLAN interface is available; entering into a WWAN-to WLAN state from a WWAN active state if its WLAN interface is available; said user terminal provides a public server with known network address with its presence information said WWAN-to-WLAN state; and acquiring the network address of another user terminal communicating with said user terminal from said server, sending a WLAN call request to said another user terminal by using said address; entering into WLAN active state after receiving the message for accepting the WLAN call request from said another user terminal.</p> |
申请公布号 |
AT400976(T) |
申请公布日期 |
2008.07.15 |
申请号 |
AT20040769831T |
申请日期 |
2004.08.19 |
申请人 |
NXP B.V. |
发明人 |
FENG, LEI;SHAO, X.;JIN, XIAOHUI;DU, YONGGANG;LIU, BO;SUN, XIAOLU |
分类号 |
H04W8/02;H04L12/28;H04L12/58;H04W36/14;H04W36/36;H04W76/02;H04W84/12;H04W88/06;H04W88/08 |
主分类号 |
H04W8/02 |
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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