T-Mobile

Dallas offers cautionary tale as it moves to fix 911 woes

Dallas has been experiencing disruptions in its 911 service that began in October and at one point last week resulted in 360 calls being placed on hold. More dispatchers have been assigned to field 911 calls and technological glitches have been fixed, which should smooth operations, a city spokeswoman said Friday.

But the problems plaguing Dallas can be found with other 911 systems that rely on increasingly obsolete networks that are incompatible with new technologies and protocols.

Here are some of the issues at play:

WHAT HAPPENED IN DALLAS?

It was initially believed that the city's 911 center was bedeviled by T-Mobile phones making "ghost calls,"...

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