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Home › Integrated services user part (ISUP)/ session initiation protocol (SIP) gateway for unlicensed mobile access (UMA) emergency services call flow

Integrated services user part (ISUP)/ session initiation protocol (SIP) gateway for unlicensed mobile access (UMA) emergency services call flow

US Patent 8954029 · Granted Feb 10, 2015

Estimated economic value: $838,000 ⓘ

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