Line-based public safety answering point

Details Line-based public safety answering point Line-based public safety answering point

H - Electricity

04

Q

H04Q 3/72 (2006.01) H04M 3/51 (2006.01) H04M 3/62 (2006.01) H04M 11/04 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2090245

A line-based 911 system and method that completes an emergency call from a telephone to a PSAP comprising a multiplicity of operator stations connected by individual lines to a telephone switching system. An emergency call is routed to the termination ports of the switching system associated with a PSAP. Each of the termination ports is connected to one of the multiplicity of operator stations via its associated line, thereby establishing a path from the telephone to the operator station, the CPN of the calling telephone is delivered to the selected operator station and the operator station obtains location information of the telephone in accordance with the CPN, which is then displayed.

ystème à lignes téléphoniques 911 et méthode permettant d'effectuer un appel d'urgence à partir d'un téléphone à destination d'un PSAP regroupant un grand nombre de postes de téléphonistes reliés par des lignes individuelles à un système de commutation téléphonique. Un appel d'urgence est acheminé aux ports terminaux du système de commutation associé à un PSAP. Chacun des ports terminaux est relié à un des multiples postes de téléphonistes au moyen de la ligne qui lui est associée, une voie étant ainsi établie entre le téléphone et le poste de téléphoniste. Le CPN du téléphone appelant est transmis au poste de téléphoniste choisi et le poste de téléphoniste obtient des informations sur l'emplacement du téléphone conformément au CPN, qui est alors affiché.

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