Declaration submission | Declaration submission | Declaration submission |
US20010919641 | US20010919641 | US20010919641 |
31/07/2001 | 31/07/2001 | 31/07/2001 |
US6871070 B2 22/03/2005 US2003027569 A1 06/02/2003 | US6871070 B2 22/03/2005 US2003027569 A1 06/02/2003 | US6871070 B2 22/03/2005 US2003027569 A1 06/02/2003 |
Communication system for providing roaming between an internet protocol multimedia system and a circuit-switched domain | Communication system for providing roaming between an internet protocol multimedia system and a circuit-switched domain | Communication system for providing roaming between an internet protocol multimedia system and a circuit-switched domain |
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UNITED STATES | UNITED STATES | UNITED STATES |
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US20010919641 | US20010919641 | US20010919641 |
LUCENT TECHNOLOGIES INC [US] | EJZAK RICHARD PAUL Lucent Technologies Inc | Lucent Technologies Inc EJZAK RICHARD PAUL |
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