This feature replaces the undisclosed identity with the shared identity for an originating call from a companion device where such hiding has been requested .

Feature Cheat Sheet

B2BUA Instance SAS Support Originating / Terminating Point(s) in Session Plan Network Operator Data Subscriber Data Stateful or Stateless POJO Feature or SBB Feature Other notes

MMTel

Yes

Originating

  • SipAccess_SubscriberCheck

  • SipAccess_PartyRequest

  • SipMidSession_PartyRequest

  • SipAccess_PartyResponse

  • SipMidSession_PartyResponse

Yes

Yes

Stateless

POJO

Prerequisite Features

Feature Configuration

The profiles within the HideUndisclosedIdentityConfigProfileTable are selected using the SentinelSelectionKey and has the following field:

Parameter Type Description 
 HideUndisclosedIdentities
 
 boolean

Whether undisclosed indentities should be hidden

Session Input Variables

Session State variable name Type Comments 
SentinelSelectionKey

SentinelSelectionKey

Determines which configuration to use

 
HideUndisclosedIdentities

boolean

true when undisclosed identities should be hidden

 
 SharedIdentitySip

URI

Used to replace undisclosed sip: URIs

 
 SharedIdentityTel

URI

Used to replace undisclosed tel: URIs

Statistics

HideUndisclosedIdentity statistics are tracked by the sentinel.volte.sip SBB and can be found under the following parameter set in REM:
SLEE-Usage → sentinel.volte.sip service → sentinel.volte.sip SBB → feature → HideUndisclosedIdentity
or with rhino-stats:
"SLEE-Usage.Services.ServiceID[name=sentinel.volte.sip,vendor=OpenCloud,version=4.0.0].SbbID[name=sentinel.volte.sip,vendor=OpenCloud,version=4.0.0].feature.HideUndisclosedIdentity"

Statistic Incremented when…​ 
 Started

the feature runs

 
 FailedToStart

Sentinel VoLTE encounters an error while attempting to start the feature

 
 IssuedWarning

a non-fatal problem is encountered and the feature issues a warning

 
 FailedDuringExecution

a fatal problem is encountered and the feature cannot execute correctly

 
 TimedOut

the feature takes too long to complete and Sentinel VoLTE aborts execution

 
 HideUndisclosedIdentities

a message is modified to hide the undisclosed identity

 
 SharedIdentitySip

a message header address is replaced with the SIP shared identity

 
 SharedIdentityTel

a message header address is replaced with the TEL shared identity

 
 UnsupportedExecutionPoint

the feature is called from an unsupported execution point

Behaviour

  • If the call type is not mobile originating then the feature finishes with no further processing.

  • If the session state field HideUndisclosedIdentities is false then the feature finishes with no further processing.

  • If neither SharedIdentitySip or SharedIdentityTel session state fields are defined, the feature fails to execute.

  • The HideUndisclosedIdentityConfigProfileTable profile table is read using the current selection key, and if its HideUndisclosedIdentities field is false, then the feature finishes with no further processing.

  • When called from the SipAccess_SubscriberCheck execution point, the from header in the outgoing message is modified.

    • If the header value is a SIP URI, and SharedIdentitySip is defined, or if SharedIdentityTel is not defined, the header value address is replaced with SharedIdentitySip

    • Otherwise the header value address is replaced with SharedIdentityTel

  • In the outgoing message, the P-Asserted-Identity header is modified.

    • For each address in the header value

      • If the address is a SIP URI, and SharedIdentitySip is defined, the header address is replaced with SharedIdentitySip

      • If the address is a Tel URI, and SharedIdentityTel is defined, the header address is replaced with SharedIdentityTel

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Sentinel VoLTE Version 4.0.0