[TELECOM] Re: Emergency call boxes still in use article


>> 1. Only ten percent of local subscribers can make a 911 call at any one >> time, which means any disaster will quickly overload the local network, >> and prevent reporting of other events which aren't part of the disaster. > >For some reason, the telephone companies have refused to work out an >emergency notice protocol in which they'd ask radio/TV stations to >broadcast a notice not to use the telephone except for a real >emergency. This would be used when telephone lines are jammed. It >would help a lot to keep lines clear in disasters. > >Many younger people today have no idea what a public fire call box is >or where it is. Having them wouldn't help too much. > >Are there authoritative documented examples of landline 911 and >telephone systems being so overloaded that emergency calls couldn't >get through?

Yes. _many_.

If you can't get dial-tone at the local C.O. you can't call _anywhere_ If you can't get get a trunk out of the C.O. you can't call remote. If there's no free trunk _into_ the 911 center, you can't call _them_.

Consider how many operator stations there are such a center, postulate a 'silly' multiple (say 50 lines/answering position) for trunks.

How many calls does it to take to overwhelm the center?

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Robert Bonomi
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If I'm not mistaken, didn't either NYC or Philly have an issue with overwhelmed E-911 systems? I recall stories of being being forced to wait on hold or having to repeatedly try calling because of an all circuits busy message.

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