The General Registrar Features provide general Third Party Registrar support in Sentinel. They are installed out-of-the box in a Sentinel VoLTE installation. The following features support the ESRVCC registration process within VOLTE.
| Feature | What it provides |
|---|---|
Fetches the Mobile Station Roaming Number (MSRN) from the HLR to be included in registration data. |
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Fetches the Correlation MSISDN (CMSISDN) from the HSS to be included in registration data and ESRVCC Registration. |
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Implements the ESRVCC registration process (outlined in the Finite State Machine below). |
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Handles ESRVCC re-registration procedures. |
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Invalidates the Sh Cache Microservice’s Supplementary Service Data cache entry for the de-registering user. |
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Warms the Sh Cache Microservice for the registering user’s Supplementary Service Data. |
