Sentinel VoLTE is installed through the use of an installer program.

The installer can run in interactive and non-interactive modes - suitable for manual and automated installs respectively. When running in interactive mode it will prompt you for various necessary settings and save them.

Tip The installer will offer to install the Rhino SDK for you, or allow you to specify an existing Rhino installation. Once either a new Rhino SDK install, or an existing installation is selected the installer will install Sentinel VoLTE into your Rhino or Rhino SDK.

The installer configures a single node Sentinel VoLTE system, with a single peer for various other network elements such as:

  • Media Resource Function (MRF)

  • Interrogating Call Session Control Function (I-CSCF)

  • Home Subscriber Server (HSS)

  • Online Charging System (OCS), and/or Prepaid Service Control Point (SCP)

  • Alternative options for storage of the Third Party Registration data

For more advanced configurations, such as clustering, or multiple signalling peers, it is recommended becoming familiar with the Rhino platform, SIS and Sentinel VoLTE products.

To install Sentinel VoLTE services in interactive mode:

For further information on installation read:

1. Unzip sentinel-volte-sdk.zip

To unzip sentinel-volte-sdk.zip:

1

Copy the downloaded install zip file to a machine where Rhino and Sentinel VoLTE will run.

Tip It’s easiest if you create a new directory in the home directory.
user@machine$ mkdir ~/sentinel-volte

2

Unzip.

user@machine$ cp ~/sentinel-volte-sdk.zip ~/sentinel-volte
user@machine$ cd ~/sentinel-volte
user@machine$ unzip sentinel-volte-sdk.zip

2. Run the installer

Tip The installer prompts you for various configuration settings, such as the SIP URI for the MRF. You can review and change settings prior to installation if you got something wrong the first time. Some of the answers can be reconfigured after installation, as described in the Changing configuration post-installation section. Finally, all questions which might be asked are described below, so that you can prepare any necessary information before performing the installation.

The install program is split into several "phases".

These are:

  • initialisation of the environment

  • question and answer (in interactive mode)

  • several opportunities to review settings (in interactive mode)

  • execution of installation

Tip The installer captures full logging from the various tools that it uses, and writes these logs into the sentinel-volte-sdk/build/target/log directory. This can be helpful when debugging issues.

NB: Before installing, if the host requires a proxy to access Artifactory then it must be configured in sdk.properties. sdk.properties can be found in the top-level directory of the unzipped package. Find the section marked with # Proxy settings and change it to the following:

# Proxy settings
#
sdk.http.proxyHost=<proxy hostname here>
sdk.http.proxyPort=<proxy port here>
sdk.https.proxyHost<proxy hostname here>
sdk.https.proxyPort=<proxy port here>
#
# These properties are used for both http and https.
sdk.http.nonProxyHosts=localhost|127.0.0.1

To run the installer:

1

The installer command is in the build/bin directory of the extracted Sentinel VoLTE SDK .

testuser@machine$ cd ~/sentinel-volte/sentinel-volte-sdk
testuser@machine$ build/bin/installer

The installer first initialises the environment. It typically shows output similar to the following

Initialising the SDK ...
Retrieving Installer dependencies ... done.

You may be prompted for Artifactory credentials, which should have been supplied to you by OpenCloud.

2

Question and answer to determine necessary settings

The installer will prompt the user for various values. A value inside square brackets, if present, is the default answer for that question. When the user presses the Enter key without entering any value the default is used if it is present. If the default isn’t present, the prompt will be repeated. In subsequent runs of the installer, the default will reflect the values that the user has previously entered.

Explanations of all of the questions the installer will ask are laid out over the next few steps. Note that some of the questions will only appear under certain circumstances, so not all of them will be seen in a given installer run.

3

Taking the SDK offline

The user is prompted whether or not they want to take the SDK offline.

You can optionally take the SDK offline by creating a local repository. This will take several minutes depending on connection speed, but will make subsequent retrievals much faster and remove the need for an internet connection.
Do you want to take the SDK offline? y/[N] >

If the user presses the Enter key then the default of N is applied by the installer. This means that the SDK remains online, and will connect to the OpenCloud repositories on an as-needs basis. Answering yes will create a local Ivy repository that includes all of the remote artifacts required to build the SDK.

The user is then presented with progress information related to the downloading of artifacts necessary to take the SDK offline. This process can take more than 30 minutes.

4

Basic SDK Questions

Your organization's name, e.g. Rocket Communications Inc.
sdk.component.vendor [UNSET] >

This value will be used for the vendor portion of the SLEE Component ID for all SLEE components published by the SDK.

sdk.component.version [1.0] >

This value will be used for the version portion of the SLEE Component ID for all SLEE components published by the SDK.

The name of the platform operator, e.g. Rocket.
sdk.platform.operator.name [UNSET] >

The name of the platform operator for the system. It is used extensively throughout configuration profiles.

An Ivy organization field, recommended lower case with no whitespace e.g. "rocket".
sdk.ivy.org [UNSET] >

This value is used as the org value for all Ivy artifacts created by the SDK.

sdk.ivy.publish.revision [1.0.0] >

This value is used as the base of the revision value for all Ivy artifacts created by the SDK. Additional letters and numbers will be appended to it to identify specific releases, snapshots and milestones when an artifact is actually published.

5

Install Rhino Questions

You can either have the installer set up a Rhino SDK for you or point it at an existing Rhino installation, SDK or production.
Note: If you want to use an existing Rhino installation it has to be running and a proper license has to be installed when finishing the installation after the configuration. Also make sure that you have adjusted the memory settings and created a tcapsim-gt-table.txt file as detailed in the documentation.
Set up a Rhino SDK installation automatically? y/[N] >

If you allow the installer to set up a new Rhino SDK installation, it will prompt for a license file.

Enter the path to your Rhino license file > /home/testuser/Downloads/opencloud.license

It then installs the Rhino SDK and starts it.

If you instruct the installer to use an existing Rhino, the installer will prompt for the path to the Rhino client directory.

Enter the path to your Rhino client directory > /home/testuser/rhino/2.6.1/client

If the associated installation is a Rhino production then additional information is required to complete configuration.

You can either have the installer deploy against Rhino SDK or production.
Does the specified client point to a production installation? y/[N] >

If you choose Yes, then the installer prompts for details of the cluster nodes and hosts.

Enter your Rhino node setup.
It has to be formatted like this: {nodeId,nodeId}host,{nodeId}host
Examples:
  {101}localhost
  {101,102}host1,{103}host2
Node setup [{101}localhost] > {101}hostname1,{102}hostname2

6

Review settings

Once the basic SDK configuration questions have been answered, the user is provided the opportunity to review and if happy, accept the settings.

Tip Settings are saved to disk, so that they can be read later.
Review settings
***************


Basic SDK properties
====================

  sdk.component.vendor: Rocket Communications Inc
  sdk.component.version: 1.0
  sdk.platform.operator.name: Rocket
  sdk.ivy.org: rocket
  sdk.ivy.publish.revision: 1.0.0

... edited for brevity

Configuration changes written.

If the user presses the n key then the questions are asked again. Note that the list of configuration files that have been modified are printed out by the configuration portion.

7

VoLTE mode

The installer will ask several questions to determine which parts of Sentinel VoLTE to deploy.

VoLTE can be deployed in four different ways: a basic developer mode, MMTel only, SCC only or both MMTel and SCC
VoLTE mode [mmtel-scc] >
Tip The installer supports tab-completion to easily select the desired mode.

The basic developer mode only includes the core Sentinel VoLTE functionality, without any of the MMTel and SCC features. This mode is intended to be a bare-bones environment suitable for development of VoLTE-based applications that do not require any of the MMTel and SCC features.

If the deployment includes SCC, the installer will ask whether to deploy the GSM or CDMA components.

VoLTE SCC can be deployed in either GSM or CDMA mode
SCC mode [gsm] >

Finally, if deploying MMTel only, the installer asks whether to deploy GSM components, so CAP charging and the SubscriberDataLookupFromHLR feature can be used.

VoLTE MMTel can optionally deploy GSM components.
Deploy GSM components? [Y]/n >

8

Review settings

Once the VoLTE mode questions have been answered, the user again gets the opportunity to review.

Review settings
***************


VoLTE mode
==========

  VoLTE mode: mmtel-scc
  SCC mode: gsm
  Deploy module: sentinel-volte-full-gsm-deploy

Accept these values? [Y]/n >

Configuration changes written.

9

Creation of a deployment module

The installer will now create a suitable deployment module. This may take several minutes.

10

International and Roaming Network Questions

Home domain >

A domain name for a home network.

Home network prefix >

A corresponding network prefix for that home domain.

Two letter ISO country code for the home network e.g 'SG'
Home network ISO country code >

The ISO country code for the home network.

Home network MCC >

The MCC for the home network

Comma separated list of home network MNCs eg 01,02
Home network MNC list >

A list of MNCs for the home network.

Note that additional networks can be specified through the Determine International and Roaming Status feature configuration profile once setup is complete. See the Changing configuration post-installation section for more details.

11

Play Announcement Questions

Media server URI [sip:annc-audio@localhost:5260;lr;transport=tcp] >

The URI of the Media Resource Function (MRF). The hostname part should either be a resolvable name or the IP address of the MRF.

12

Online Charging Questions

Online charging involves realtime communication with an external charging system, e.g. to an OCS via Diameter Ro
Enable online charging? [Y]/n > y

If the user enters y and the user selected a VoLTE mode containing the IM-SSF (any mode including GSM components) during the VoLTE mode step, the installer prompts for online charging options.

This install allows online charging using either Diameter Ro or CAP. Enter the type you want with "ro" or "cap".
Charging type [ro] >

The installer uses Diameter Ro by default if the user did NOT select a VoLTE mode containing the IM-SSF.

Using Diameter Ro for online charging.

If the user chooses Yes and ro, then the installer prompts for details of Diameter Ro and CCA Questions in next step. Or if the user chooses Yes and cap, then the installer prompts for details of CAP Charging Questions in the CAP Charging (IM-SSF) step.

13

Diameter Ro and CCA Questions (only if ro chosen during the online charging questions).

This value is placed into the Origin-Host AVP.
Host [diameterclient] >

The Diameter hostname for Sentinel VoLTE. It is used in the Origin-Host AVP of outgoing diameter messages.

The Diameter Ro release used for online charging can be configured to one of the following release versions: V8d0, V960, Va00, Vb80, Vcb0
Diameter Ro release [Vcb0] >

The Diameter release e.g (rel 12.11.0,Vcb0) used for online charging.

This installer allows setting up a simple configuration with a single peer for the OCS. If you need a configuration with multiple peers, you can either do so after the installation finishes by following the Diameter documentation, or editing the following file now:
[path-to-config-file]/DiameterConfig.xml
Do you want to set up a simple configuration? [Y]/n >

If yes, the installer will provide a series of prompts for setting up a basic diameter configuration (where there is a single OCS server); if no, you will need to manually configure diameter peers for the charging system. More details about configuring Diameter Ro manually can be found in the Diameter Resource Adaptors Guide.

Peer URI [aaa://diameterserver:3868;transport=tcp] >

URI of the online charging server.

Diameter peer address [diameterserver] >

Diameter address of the online charging server.

Realm name [example.com] >

Diameter Realm for the online charging system.

14

Diameter Rf

The Rf Control RA is used by interim CDR features to send accounting data to the CDF during offline charging interactions. Enabling this RA will implicitly enable interim CDRs.

Disabling the Rf Control RA will prevent interim CDR features from interacting with the CDF, but they may still be configured to write interim CDRs to disk.
Enable Rf Control RA? [Y]/n >
This value is placed into the Origin-Host AVP.
Host [diameterclient] >

The Diameter hostname for Sentinel VoLTE. It is used in the Origin-Host AVP of outgoing diameter messages.

The Diameter Rf release used for offline charging can be configured to one of the following release versions: V8d0, V960, Va00, Vb80, Vcb0
Diameter Rf release [Vcb0] >

The Diameter release e.g (rel 12.11.0,Vcb0) used for Rf.

This installer allows setting up a simple configuration with a single peer for the CDF. If you need a configuration with multiple peers, you can either do so after the installation finishes by following the Diameter documentation, or editing the following file now:
[path-to-config-file]/rf-control-ra-config.yaml
Do you want to set up a simple configuration? [Y]/n >

If yes, the installer will provide a series of prompts for setting up a basic diameter configuration (where there is a single CDF); if no, you will need to manually configure diameter peers for the Rf system. More details about configuring Diameter Rf manually can be found in the Rf Control Resource Adaptor Guide.

Peer URI [aaa://RfCDF:5898;transport=tcp] >

URI of the CDF.

This address is only necessary if the host in the peer URI specified above is not resolvable. If it is then you can just accept the default value here.
Peer address [RfCDF] >

Peer address of the CDF.

Realm name [opencloud] >

Realm of the CDF.

15

Call Detail Records (CDRs) (only if the VoLTE mode includes MMTel)

If Rf was enabled during the Diameter Rf step interim CDRs will be enabled implicitly.

Enabling interim CDRs implicitly due to Rf Control RA being enabled

Otherwise, an additional question will be asked regaring enabling interim CDRs. The advantages of interim CDRs are described in the Interim CDRs section.

Interim CDRs are written to disk at the Start and End of a session, as well as periodically during the lifetime of a session.
Enable interim CDRs? [Y]/n >

Regardless of whether or not interim CDRs have been enabled, the installer asks next if the user wants to enable session CDRs.

Session CDRs are written to disk only at the end of a session.
Enable session CDRs? y/[N] >

16

CAP Charging (IM-SSF) (only if CAP has been chosen during the Online charging questions)

Country code [65] >

The country code for the home network.

Default media server address [sip:mrf@mrfhost.example:5060]>

Address of the media server (MRF) to be used by the IM-SSF.

17

Sh Cache Microservice RA Questions

The URL for the Sh Cache Microservice.
Server URL [http://localhost:8088] >

The URL for the Sh Cache Microservice. This is what Sh Cache Microservice requests are sent to.

Whether to use a proxy server.
Proxy Enabled y/[N] >

If yes, the installer will next ask to configure the proxy server.

The hostname of the proxy server.
Proxy Host [localhost] >

Hostname of the proxy server.

The port of the proxy server.
Proxy Port [3128] >

Port of the proxy server.

18

Sentinel Registrar Questions

The registrar allows configuration to be specific to a particular node, which may be necessary for some settings like
the ATU-STI. If a certain property is not found in a node-specific profile, or no profile exists for the current node,
the registrar will fall back on the standard profile. This installer will configure the standard profile and add a
node-specific profile for node 101. If you are using more than one node then you can edit the file
[path-to-config-file]/RegistrarConfigurationTable.yaml after finishing the configuration in the installer, but before
proceeding with the actual installation.

ATU-STI [sip:localhost:5060] >

The Access Transfer Update - Session Transfer Identifier.

Please enter the time (ms) to wait before we consider the ATCF update has failed
ATCF Update Timeout [2000] >

Determines how long we wait before we consider an ATCF update to have failed.

STN-SR [6421999999] >

The Session Transfer Number - Single Radio.

Registration Data Storage can use either the HSS, or a Cassandra database. Specify the type you want with either "HssCache" or "Cassandra".
Registration Data Storage type [Cassandra] >

Determines where the registrar will store third party registration data. Data can be stored in either the HSS, or a Cassandra database.

Please enter a comma separated list of Cassandra contact points in the form "host1,host2"
Cassandra Contact Points [localhost] >

Comma separated list of hostnames for the Cassandra database.

Please enter the port Cassandra is listening on
Cassandra Port [9042] >

The destination port for the Cassandra database server.

19

Cassandra General Questions

Session Ownership uses Cassandra to save session information that can be shared across nodes. Other features also use Cassandra

Please enter a comma separated list of Cassandra contact points in the form "host1,host2"
Cassandra Contact Points [localhost] >

Comma separated list of hostnames for the Cassandra database.

Please enter the port Cassandra is listening on
Cassandra Port [9042] >

The destination port for the Cassandra database server.

20

SIP SIS RA Questions

SIP SIS RA Host [localhost] >

The hostname for the server hosting Sentinel VoLTE.

Please enter an optional DNS domain name for the TAS cluster.  This will be set as a virtual address in the SIP SIS RA.
This name must resolve to an address, NAPTR, or SRV record on each cluster node.
Enter "none" if you do not wish to configure this option now.
Example: tas-cluster.example.com
DNS name [none] >

This should be set to the DNS domain name used in IMS Initial Filter Criteria. E.g. tas-cluster.example.com.

21

MMTel Conferencing Questions (only if the VoLTE mode includes MMTel)

The URI of the Interrogating Call Session Control Function. The Conf and ECT features will automatically add an "lr" parameter to it. The hostname part should either be a resolvable name or the IP address of the I-CSCF.
Example: sip:127.0.0.1:5054;transport=tcp
I-CSCF URI [sip:icscf@icscfhost.example:5060] >

The URI of the Interrogating Call Session Control Function (I-CSCF).

The URI of the Media Resource Function. The hostname part should either be a resolvable name or the IP address of the MRF.
Example: sip:msml@127.0.0.1:5060
MRF URI [sip:mrf@mrfhost.example:5060] >

The URI of the Media Resource Function (MRF) to be used as the conference bridge.

Conference Factory PSI [sip:conf-factory@example.com] >

A Public Service Identifier that can be used by a subscriber to establish a conference call.

The Conference MSML Schema Vendor Name. Used by the Conf feature to determine mapper selection when creating MSML documents for interaction with the MRF.
Conference MSML Schema Vendor Name [Dialogic] >

The name of the vendor providing the conference MSML schema.

22

ODB Questions

Enable HSS IMS-ODB-Information query
====================================
The SubscriberDataLookupFromHss feature does NOT query the Operator Determined Barring information (IMS-ODB-Information) by default.
Enable HSS query for IMS-ODB-Information: y/[N]

Answering Yes will enable the Operator Determined Barring (ODB) by this option.

23

IMCSI Configuration (only if the SCC mode is GSM and cap is chosen during the online-charging-questions

When using CAP charging and GSM, the IMCSI can be fetched from the HLR and provided to the IMSSF in the originating and/or terminating case
Enable IMCSI fetching in the originating case y/[N] >
Enable IMCSI fetching in the terminating case y/[N] >

24

CDMA HLR Configuration (only if the SCC mode is CDMA)

The following questions concern the HLR configuration. For an overview of Terminating Access Domain Selection (T-ADS) see Terminating Access Domain Selection (T-ADS) and Terminating Access Domain Selection Features.

By default SCC TADS Routing uses the CMSISDN from the HSS, but it can also be configured to use the TLDN from the HLR.
Use MSRN for SCC TADS Routing? y/[N] >

The following questions only get asked if the option above has been chosen.

The SCCP address of the HLR.
Example: type=A7,ri=pcssn,pc=1-1-1,ssn=101,national=true
HLR address [type=A7,ri=pcssn,pc=1-1-1,ssn=101,national=true] >

The SCCP address of the Sentinel VoLTE AS.
Example: type=A7,ri=pcssn,pc=1-1-2,ssn=102,national=true
Originating Sentinel address [type=A7,ri=pcssn,pc=1-1-2,ssn=102,national=true] >

The address of the MLC (Sentinel).
Example: address=222,nature=INTERNATIONAL,numberingPlan=ISDN
MLC address [address=653333333,nature=INTERNATIONAL,numberingPlan=ISDN] >

The timeout value for opening the dialog with the HLR (in milliseconds).
Invoke timeout [4000] >

The market ID value to be used in the MSCID set on outgoing CDMA requests to the HLR
Market ID [1] >

The switch number value to be used in the MSCID set on outgoing CDMA requests to the HLR
Switch Number [1] >

25

GSM HLR Configuration (only if the VoLTE mode includes the GSM components)

The following questions concern the HLR configuration. For an overview of Terminating Access Domain Selection (T-ADS) see Terminating Access Domain Selection (T-ADS) and Terminating Access Domain Selection Features.

By default SCC TADS Routing uses the CMSISDN from the HSS, but it can also be configured to use the MSRN from the HLR.
Use MSRN for SCC TADS Routing? y/[N] >

The previous question is only asked if the VoLTE mode includes SCC; the next question is asked if the the VoLTE mode includes MMTel.

The HLR can be used to try to determine the roaming status of a subscriber by sending an ATI query to it.
Determine roaming from HLR y/[N] >

The following questions only get asked if the HLR is required by answers to previous questions.

The SCCP address of the HLR.
Example: type=C7,ri=pcssn,pc=6,ssn=143,national=false
HLR address [type=C7,ri=pcssn,pc=6,ssn=143,national=false] >

The SCCP address of the Sentinel VoLTE AS.
Example: type=C7,ri=gt,digits=653333333,gti=4,nature=international,numbering=isdn,tt=0,national=true
Originating Sentinel address [type=C7,ri=pcssn,pc=7,ssn=157] >

The address of the MLC (Sentinel).
Example: address=222,nature=INTERNATIONAL,numberingPlan=ISDN
MLC address [address=653333333,nature=INTERNATIONAL,numberingPlan=ISDN] >

The timeout value for opening the MAP dialog with the HLR (in milliseconds).
Invoke timeout [5000] >

26

T-ADS Questions (only if the VoLTE mode includes SCC)

LTE (E-UTRAN) is an allowed PS access network technology. You can also configure WLAN to be an allowed access network.
Allow WLAN access? y/[N] >

Answering 'yes' will allow subscribers to use WiFi as an access network.

27

Session Replication Questions

Session replication can be enabled for two-party MMTel and SCC calls upon receipt of the initial INVITE ACK from the calling party.
Enable session replication? y/[N] >

Answering 'yes' will enable session replication on all established two-party calls on the MMTel and SCC AS instances.

28

Review settings

Once all questions have been answered, the user is provided the opportunity to review and if happy, accept the settings.

Tip settings are saved to disk, so that they can be read later.
Review settings
***************

... edited for brevity


MMTel Conferencing
==================

  I-CSCF URI: sip:192.168.10.1:5054;transport=tcp
  MRF URI: sip:192.168.10.17
  Conference Factory PSI: sip:conf-factory@example.com


Play Announcements
==================

  Media server URI: sip:annc@192.168.10.17:5060

Accept these values? [Y]/n > y

... edited for brevity

Configuration changes written.

If the user presses the n key then the questions are asked again. Note that the list of configuration files that have been modified are printed out by the configuration portion.

29

Execution phase

Now that the installer has gathered all necessary information it provides the user with the option to install the VoLTE TAS now.

Install now? [Y]/n >

If the user wants to install at a later time, they can press the n key. The installer exits having saved settings that the user has entered. I.e. the installer can be run later if desired.

Installing Rhino ... done.
Starting Rhino in the background ... done.
Publishing deployment module deploy-volte ... done.
Deploying; this is going to take a while ... done.
Binding; this is going to take a while ... done.
Configuring; this is going to take a while ... done.
Running post-installation tasks ... done.
Installation completed successfully in 32 minutes and 19 seconds. Rhino has been left running to finish applying configuration changes.

The configuration has been saved to the file {sdk-path}/install.properties. This file can be used to re-run the installation non-interactively with the same settings.

The installation has now completed successfully.

Important A properties file is automatically created when the interactive installer is run. This file is located in the sentinel-volte-sdk directory and named install.properties. In this way an interactive installations settings are saved, and can be distributed through the install.properties file. You can later use this file for a new installation using the Non-interactive mode. Save this file for future upgrade procedure as instructed here and here.

Non-interactive mode

To run the installer in non-interactive mode a properties file is passed to the installer program

testuser@machine$ cd ~/sentinel-volte/sentinel-volte-sdk
testuser@machine$ ./build/bin/installer -p my-install.properties

SIS and CGIN

During installation SIS and CGIN versions are extracted into the SDK directory structure. This is so that SIS can be configured as necessary.

The CGIN connectivity pack is extracted into the sentinel-volte-sdk/cgin/cgin-connectivity-full-CGIN_VERSION directory. The SIS is extracted into the sentinel-volte-sdk/sis/SIS_VERSION directory. Here CGIN_VERSION and SIS_VERSION are the release versions for each product respectively (e.g. 1.5.2.8 and 2.5.2.7)

The SIS console command is located at sentinel-volte-sdk/sis/SIS_VERSION/admin/sis-console.

Background information

The installer sits on top of the Sentinel VoLTE SDK infrastructure

The installer works by creation of a "deployment module" for Sentinel VoLTE. This module name is "deploy-volte" and it is located in the root of the Sentinel VoLTE SDK directory.

A deployment module can be created through the use of the sdkadm create-deployment-module command. The values that the user enters (or passes in when using non-interactive mode) are written into the various configuration files in this deployment module.

The deployment module is then published, and the deployer, binder and configurer are invoked in order to install/bind/configure the application in Rhino.

This means that the the installer is part of the Sentinel VoLTE SDK, and that there is no technology difference between the SDK and an "off the shelf install". Therefore custom configurations can easily be made through modification of the deployment module, and publishing it, and running the configurer.

Installer log files

The installer captures full logging from the various tools that it uses, and writes these logs into the sentinel-volte-sdk/build/target/log directory. This output is more verbose than the user sees when running the installer.

Each time an install is done, files called installer.log and installer.rhino.log are created in this directory. If there is a previous installer.log file, that it is moved to installer_date.log (and similarly for installer.rhino.log). The value of "date" is the time of the last write timestamp in the file.

Therefore running the installer three times results in three installer.log files.

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Sentinel VoLTE Version 2.9.0