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draft-polk-ecrit-mapping-during-registration-00
Specifies how an Application Provider (SP, Enterprise, SMB, home) provides a PSAP/ESRP URI
By creating a new SIP option-tag and header for the appropriate PSAP/ESRP
Means SIP Registrar will have to implement LoST
Unless there is only one answer ever

Motivation: Application Provider has trusted servers (by contract), and may be bound to provide this URI
Open Issues – change filename to -ecrit-
PPT Version