These features are neither MMTel specific nor SCC specific.

Feature What it does

The set of features used for External Session Tracking in Cassandra

uses information from the incoming INVITE request to determine whether Ro Online charging should be applied to the session,

uses the Leg Manager to get the names of the original SIP legs established during call set up, and saves the values

uses information from an incoming INVITE, MESSAGE or SUBSCRIBE request, and from session state to set the plan ID in the Sentinel selection key

reads Third Party Registration information stored in the HSS as Transparent Data, and writes it into session state.

reads Third Party Registration information stored in the Cassandra Database, and writes it into session state.

is responsible for reading data from the HSS and writing it into Sentinel session state fields.

is responsible for reading data from the HSS and writing it into Sentinel session state variables fields.

is responsible for reading subscriber data from the HLR and writing it into Sentinel session state variable fields.

is responsible for building a Call Detail Record that reflects the actions taken whilst processing a session.

is a system feature which prevents SDP-change initiated CDRs from being written by the VolteInterimCdr feature for non-roaming Mobile Terminating calls.

is a system feature that is responsible for writing interim Call Detail Records throughout the session.

is responsible for building a Call Detail Record that reflects the actions taken whilst processing a session.

sets values for the Feature-Caps header on outgoing messages based on data from the session’s FeatureCapsManager

is responsible for reading subscriber location data from the HLR and writing it into Sentinel session state variable fields.

schedules configurable announcements to the subscriber based on indicators in OCS answers
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Sentinel VoLTE Version 2.7.0