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RDK Telco Voice Manager is a component that manages the vendor voice stack through TR104 configuration. 
It is responsible for :

• Provisioning voice service via Webconfig
• Managing TR104 data model and persistent storage of the VOIP
• Configuring and managing the life cycle of the vendor voice application through JSON HAL
• Monitoring the network events
• Managing voice firewall rule data via pub/sub events
• Generating diagnostic report using Harvester
• Generting TelcoVOIP Harvester report (The component supports data model for generating diagnostics report)

Architecture

The RDK Telco Voice Manager consists of

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• Telco Voice Manager uses JSON based persistent storage file stored as “/opt/secure/telcovoice_config_current.json”
• CJSON library is used to manage(read/parse/write) the persistent storage file
• The datamodel “Device.Services.VoiceService.1.X_RDK_FactoryReset” can be used to reset the voice datamodels to default values
• Upon setting this datamodel, TelcoVoiceManager replaces the current config file “telcovoice_config_current.json” with default configuration file “telcovoip_config_default.json” and sends 
  json hal message to set the default configuration values down to the vendor stack

Additional Features

Webconfig

• Introduced new data model “Device.X_RDK_TelcoVoice.Data ” for provisioning
• Telco Voice Manager receives DML object as data blob and sets the data model
• Supports to read/write standard TR-104 parameters

Voice Diagnostics Report

• Telco Voice Manager fetches data from Voice Stack at a regular interval and generate statistics report
• Introduced new datamodel “Device.Services.X_RDK_Report.Voice.” to support voice report feature
• Feature can be enabled by setting “Device.Services.X_RDK_Report.Voice.Enabled” as TRUE
• Interval can be configured using “Device.Services.X_RDK_Report.Voice.ReportingPeriod “
• Report is sent to cloud server through Webpa

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