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ETSI ES 203 178
M00003651
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ETSI ES 203 178 Functional architecture to support European requirements on emergency caller location determination and transport
standard by European Telecommunications Standards Institute, 02/01/2015
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Full Description
ETSI ES 203 178 describes the unified functional architecture to support requirements as outlined in EuropeanCommission (EC) mandate M/493 [i.4] on emergency caller location determination and transport, in particular for thecase where the VoIP service provider and one or several network operators - all serving the customer in theestablishment of an emergency call - are independent enterprises needing to co-operate to determine the location of the(nomadic) caller. The architecture identifies all necessary interfaces, which are needed to fulfil the requirementsoutlined in EC Mandate M/493 [i.4], and provides a basis for the specification of the protocols to be used on thoseinterfaces.The present document is applicable to both NGN and pre-NGN IP-based networks. The architecture defined in thepresent document is intended to be compatible with IMS-based deployments but does not require compliance to IMSspecifications.
This architecture does not intend to replace existing deployed solutions. It should enable operators and undertakingsproviding services to realize transmission of location information to the Public Safety Answering Point.