Introduction and Executive Summary

Calls to 911 from AT&T Mobility and Verizon Wireless subscribers were affected by this outage. Verizon Business also provides an IP trial 911 network to these same PSAPs for calls originating with other providers. Calls to 911 in the trial areas from providers . other than. AT&T Mobility and Verizon Wireless use a different 911 network that was unaffected by the event in Intrado’s network ... ................
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