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> Chapter 34 - VoIP Solutions: SIP > Common SIP VoIP configurations > SIP registrar configuration

SIP registrar configuration

A SIP registrar accepts SIP REGISTER requests from SIP phones for the purpose of updating a location database with this contact information. This database can then become a SIP location service that can be used by SIP proxy severs and redirect servers to locate SIP clients. As shown below, SIP clients send REGISTER requests to the SIP registrar.

SIP registrar and proxy servers