Emergency call system being investigated after region-wide outage in Pima County

tucson.com - 07-10

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Emergency communications in Pima County were down for nearly an hour and a half Tuesday morning, leaving residents only able to use non-emergency contacts for help. A technical issue linked to Century Link’s equipment, which services Pima County’s regional 911 system, left an unknown number of residents with a busy phone signal when dialing 911 between 3 a.m. and 4:25 a.m.

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