Third-party registration

Third-party registration

 

Some as business services want to know the terminal registration status, to address this need, You need to establish the IFC filter rules in the following table in the HSS, when the terminal registered successfully on the S-CSCF, the S-CSCF downloads user service information (including IFC filter rules) from the HSS, The S-CSCF detects all filter rules, and finds that the rules in the table require [email protected] After the terminal sends an initial registration message, need to forward to sip:. IMS. test Application Server, after which the S-CSCF and as complete the third-party registration process.

 

Filter rule Elements	Filter rules
Session occasions	Initial
Public user identity	SIP: [email protected]
SIP Method	Regiser
Application Server	SIP: As. IMS. Test

 

The registration request signaling sent by the S-CSCF to the as is slightly different from the registration request sent by the ordinary terminal, mainly reflected in the From header domain, here the From header domain is the S-CSCF network element itself, the to header domain is terminal, indicating the registration request sent by the S-CSCF instead of the terminal.

From: <SIP: scscf. IMS. Test>; tag = XXXXX

To: <SIP: [email protected]>

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