This page presents illustrative flows for the Registration path.

For details related to the features involved refer to Registrar Features in the Administration Guide.

On initial registration, the IP-SM-GW informs the HLR that an IP-SM-GW is present, and sets it to be active. IP-SM-GW also informs the HLR the user is ready to receive short messages.


On deregistration, the IP-SM-GW informs the HLR that the IP-SM-GW is not active for this user.


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