VOS3000 Parameter Description: Complete Configuration Reference Guide
VOS3000 parameter description is the most comprehensive technical reference available for VoIP system administrators who need to configure and optimize their softswitch installations. This complete configuration reference guide covers every single parameter available in VOS3000 version 2.1.9.07, organized into logical categories for easy navigation and practical implementation. Whether you are managing a small wholesale VoIP operation or a large-scale telecom infrastructure, understanding these parameters is essential for achieving optimal call quality, billing accuracy, and system reliability. Based on the official VOS3000 2.1.9.07 manual (Section 4.3.5, Pages 222-252), this guide provides detailed explanations of each parameter including default values, valid ranges, and practical usage scenarios.
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Table of ContentsVOS3000 Parameter Description: Complete Configuration Reference Guide What is VOS3000 Parameter Description VOS3000 Parameter Description Categories How to Access VOS3000 Parameter Description Settings Navigation Paths for Parameter Access VOS3000 Server Parameters Complete List Alarm Configuration Parameters in VOS3000 Billing System Parameters in VOS3000 Parameter Description CDR and Reporting Parameters Automatic Report Generation Parameters Security and Authentication Parameters System Configuration Parameters Softswitch H323 Parameters in VOS3000 Parameter Description Softswitch SIP Parameters Complete Reference SIP Authentication Parameters NAT Keep-Alive Parameters SIP Session Timer Parameters Softswitch System Parameters in VOS3000 Parameter Description Media and Call Processing Parameters Dynamic Black List Parameters Audio Service Parameters in VOS3000 Parameter Description VOS3000 Parameter Description Best Practices Change Management Recommendations Parameter Optimization Tips VOS3000 Installation and Support Services Related Resources Frequently Asked Questions about VOS3000 Parameter DescriptionWhat is the most important VOS3000 parameter description for billing accuracy?How do I enable NAT keep-alive in VOS3000 parameter description?What happens if I set SS_SIP_SESSION_TTL too low?How do I disable automatic report generation?Can I use VOS3000 parameter description to limit maximum call duration?Where can I get help with VOS3000 parameter description configuration? Get Expert VOS3000 Parameter Description Support Need Professional VOS3000 Setup Support?
What is VOS3000 Parameter Description
Reference: VOS3000 2.1.9.07 Manual, Section 4.3.5 (Pages 222-252)
The VOS3000 parameter description framework organizes all configuration settings into a hierarchical structure that reflects the functional architecture of the softswitch system. At the highest level, parameters are divided into three primary categories: VOS3000 server parameters, softswitch parameters (including H323, SIP, and system subcategories), and audio service parameters. Each category controls specific aspects of system behavior, and understanding these categories is crucial for effective system administration. The VOS3000 softswitch platform contains over 200 configurable parameters that control every aspect of system behavior, from billing precision and alarm thresholds to SIP timer values and media proxy settings.
VOS3000 Parameter Description Categories
Category Description Manual PagesVOS3000 ParametersServer-level parameters for billing, alarms, reports, security222-228Softswitch H323 ParametersH.323 protocol settings for gateway communications229-230Softswitch SIP ParametersSIP protocol settings including NAT, timers, authentication230-237Softswitch System ParametersCore softswitch settings for media, calls, endpoints237-239Audio Service ParametersIVR, voicemail, callback service settings239-241
How to Access VOS3000 Parameter Description Settings
Accessing the VOS3000 parameter description settings requires navigating through the VOS3000 client interface to the appropriate configuration menus. For server parameters, administrators should navigate to System Management, then select System Parameter to view and modify the parameter list. For softswitch parameters including H323, SIP, and system subcategories, the path is Operation Management followed by Softswitch Management, then Additional Settings, and finally System Parameter. Audio service parameters are accessed through the audio service configuration interface.
Navigation Paths for Parameter Access
StepNavigation PathAction1System ManagementExpand navigation tree2System ParameterDouble-click to open parameter table3Operation Management > Softswitch ManagementSelect softswitch node4Additional SettingsRight-click → Additional settings5System Parameter TabFind and modify parameters6Apply ChangesClick OK to save modifications
VOS3000 Server Parameters Complete List
Reference: VOS3000 2.1.9.07 Manual, Section 4.3.5.1 (Pages 222-228)
The VOS3000 parameter description for server parameters encompasses all configuration settings that control the core server functionality of the softswitch platform. These parameters determine how the server handles billing calculations, generates reports, manages alarms, interacts with databases, and enforces security policies. Server parameters are prefixed with “SERVER_” in the parameter name, making them easily identifiable in the configuration interface.
Alarm Configuration Parameters in VOS3000
Alarm configuration parameters within the VOS3000 parameter description control how the system monitors and reports various operational conditions. These parameters define thresholds for generating alerts, specify notification methods, and configure alarm suppression settings. Proper configuration of alarm parameters ensures that administrators receive timely notifications of critical system conditions without being overwhelmed by excessive alerts.
Parameter Name Default Description PageSERVER_ALARM_CUSTOMER_BALANCE_MAX_SIZE1000Number of accounts in Balance Alarm settings menu223SERVER_ALARM_DATABASE_IGNORE_ERROR_CODE–Database error codes to ignore without triggering warnings223SERVER_ALARM_DISABLEOffOff enables alarm system, On disables all alarms223SERVER_ALARM_E164SDefaultDefault E164 number for Alarm Management223SERVER_ALARM_EMAILDefaultDefault email address for alarm notifications223SERVER_ALARM_EMAIL_DELAY300Interval in seconds between email alarm notifications223SERVER_ALARM_ENABLE_EMAILOffEnable email alarm notifications (On/Off)223SERVER_ALARM_ENABLE_VOICEOffEnable voice call alarm notifications (On/Off)223
Billing System Parameters in VOS3000 Parameter Description
The billing system parameters form a critical component of the VOS3000 parameter description because they directly affect revenue calculation and financial accuracy. These parameters control billing precision, fee calculation methods, free call duration settings, and various billing behaviors that determine how calls are charged. Misconfiguration of billing parameters can result in revenue loss, customer disputes, or billing errors.
Parameter Name Default Description PageSERVER_BILLING_FEE_PRECISION0.0000000Billing money accuracy precision (0-1000 decimal places)224SERVER_BILLING_FEE_UNIT0.0000000Billing money unit for charge calculations (0-1000)224SERVER_BILLING_FORWARD_PREFIX–Billing prefix for Call Transfer scenarios224SERVER_BILLING_FREE_E164S–Service numbers for free calls with no time limit224SERVER_BILLING_FREE_TIME0Free duration in seconds to deduct from charged time224SERVER_BILLING_GATEWAY_ROUTE_PREFIX–Routing gateway additional prefix for billing224SERVER_BILLING_HOLD_TIME_PRECISION1000Time precision in milliseconds for billing duration224SERVER_BILLING_NO_CDR_E164S–Numbers that will not create CDR records224SERVER_BILLING_PREVENT_OVERDRAFT_ADVANCE_TIME1Account anti-overdraft advance minutes (1-15)224SERVER_BILLING_PROFIT_CALCULATECall charges – Sub – Call expenseFormula for call profit calculation224
CDR and Reporting Parameters
Call Detail Record (CDR) and reporting parameters within the VOS3000 parameter description govern how call records are generated, stored, and processed for reporting purposes. These parameters determine CDR file formats, storage intervals, queue sizes, and automatic report generation settings. Proper configuration of CDR parameters is essential for maintaining accurate call records and enabling detailed traffic analysis.
Parameter Name Default Description PageSERVER_CDR_FILE_WRITE_INTERVALNoneInterval in seconds for creating new CDR files (60-86400)225SERVER_CDR_FILE_WRITE_MAX2048Maximum number of CDR files to retain (10-4096)225SERVER_CDR_REAL_TIME_REPORT_SERVER–Address for real-time CDR reporting server225SERVER_MAX_CDR_PENDING_LIST_LENGTH100000Maximum length of CDR processing queue (10000-100000)225SERVER_QUERY_CDR_DENY_TIME–Hours when CDR query is denied (e.g., 18,19,20,21)225SERVER_QUERY_CDR_MAX_DAY_INTERVAL31Maximum days for CDR query interval225
Automatic Report Generation Parameters
The VOS3000 parameter description includes numerous parameters that control automatic report generation for business intelligence and operational analysis purposes. These reports are generated daily at approximately 1:00 AM and include revenue reports, gateway billing analysis, clearing reports, and various analytical reports.
Parameter Name Default Report GeneratedSERVER_REPORT_AGENT_INCOMEOnAgent Income ReportSERVER_REPORT_CLEARING_CUSTOMER_FEEOffClearing Account Details ReportSERVER_REPORT_CUSTOMER_FEEOnRevenue Details ReportSERVER_REPORT_GATEWAY_FEEOnGateway Bill ReportSERVER_REPORT_PHONE_FEEOnPhone Bill ReportSERVER_REPORT_GATEWAY_ROUTING_LOCATION_ASR_ACDOnRouting Gateway Area Analysis Report
Security and Authentication Parameters
Security parameters in the VOS3000 parameter description establish the foundational security posture of the softswitch system. These parameters control password policies, login attempt restrictions, session management, and various authentication behaviors that protect the system from unauthorized access. In today’s threat landscape where VoIP systems are frequent targets for fraud and abuse, proper configuration of security parameters is essential.
Parameter Name Default Description PageSERVER_LOGIN_FAILED_DISABLE_TIME120Seconds to disable login after failed attempts (30-7200)226SERVER_PASSWORD_LENGTH8Default minimum password length requirement226SERVER_PASSWORD_TERMINAL_ADDITIONAL_CHARACTERS–Additional characters for phone/gateway random passwords226SERVER_VERIFY_CLEARING_CUSTOMEROffVerify clearing account balance against minimum limit226SERVER_VERIFY_CLEARING_CUSTOMER_REMAIN_MONEY_LIMIT0.0Clearing account minimum balance limit (0-10000000)226
System Configuration Parameters
System configuration parameters in the VOS3000 parameter description control various operational aspects of the server including NTP time synchronization, display settings, database version management, and network configuration. These parameters establish the operational environment in which the softswitch functions.
Parameter Name Default Description PageSERVER_NTP_SERVERtime-a.nist.govNetwork time server (SNTP) for system time sync227SERVER_DATABASE_VERSION–Current database version identifier227SERVER_DISPLAY_MONEY_PRECISION3Money display precision (e.g., 3 shows 1.000)227SERVER_DNS_UPDATE_INTERVAL600DNS update interval in seconds for Domain Management227SERVER_SOFTSWITCH_CLUSTER–IP list of softswitch cluster nodes227SERVER_QUERY_MAX_SIZE30000000Maximum data query limit in items227SERVER_QUERY_ONE_PAGE_SIZE10000Number of data items per query page227SERVER_TRACE_FILE_LENGTH40960Debug file size in KB227
Softswitch H323 Parameters in VOS3000 Parameter Description
Reference: VOS3000 2.1.9.07 Manual, Section 4.3.5.2 (Pages 229-230)
The H323 parameters within the VOS3000 parameter description control the behavior of H.323 protocol signaling for gateway communications. H.323 is an ITU-T standard protocol suite for multimedia communications over packet-based networks, and it remains widely deployed in enterprise and carrier VoIP environments despite the growing adoption of SIP.
Parameter Name Default Description PageSS_H245_PORT_RANGE10000,39999H245 port range for media control channels229SS_H323_DTMF_METHODH.245 alphanumericDefault DTMF transmission mode for H.323229SS_H323_NUMBERING_PLANUnknownPlan(0)Default numbering plan in Routing Gateway H323229SS_H323_NUMBER_TYPEUnknownType(0)Default number type in Routing Gateway H323229SS_H323_TIMEOUT_ALERTING120Alerting timeout in seconds for Routing Gateway H323230SS_H323_TIMEOUT_SETUP5Setup timeout in seconds for H.323 call establishment230
Softswitch SIP Parameters Complete Reference
Reference: VOS3000 2.1.9.07 Manual, Section 4.3.5.2 (Pages 230-237)
The SIP parameters represent one of the most extensive sections within the VOS3000 parameter description, reflecting the complexity and flexibility of the Session Initiation Protocol. SIP has become the dominant signaling protocol for VoIP communications, and VOS3000 provides comprehensive configuration options for controlling every aspect of SIP behavior including authentication, NAT traversal, session timers, and timeout values.
SIP Authentication Parameters
Parameter Name Default Description PageSS_SIP_AUTHENTICATION_CODE–SIP authentication code for gateway registration230SS_SIP_AUTHENTICATION_REALM–SIP authentication realm for digest authentication230
NAT Keep-Alive Parameters
NAT keep-alive parameters in the VOS3000 parameter description are critical for maintaining connectivity with endpoints behind NAT devices. These parameters control the message content, sending period, and batching behavior for UDP heartbeat messages that prevent NAT bindings from expiring.
Parameter Name Default Range DescriptionSS_SIP_NAT_KEEP_ALIVE_MESSAGEHELLOText stringContent of NAT keep-alive UDP packet (empty = disabled)SS_SIP_NAT_KEEP_ALIVE_PERIOD3010-86400 secInterval between keep-alive transmissionsSS_SIP_NAT_KEEP_ALIVE_SEND_INTERVAL5001-10000 msDelay between individual keep-alive packets in batchSS_SIP_NAT_KEEP_ALIVE_SEND_ONE_TIME30001-10000Number of keep-alive packets sent per batch cycle
SIP Session Timer Parameters
Session timer parameters in the VOS3000 parameter description control the SIP session timer functionality that prevents “zombie calls” from persisting in the system. Based on RFC 4028, the session timer mechanism ensures that failed or hung calls are detected and cleaned up automatically.
Parameter Name Default Range DescriptionSS_SIP_SESSION_TTL60060-86400 secDetecting SIP connected status interval (Session-Expires)SS_SIP_SESSION_UPDATE_SEGMENT22-10Divisor for refresh interval calculation (TTL/segment)SS_SIP_SESSION_MIN_SE9090-3600 secMinimum session expires value per RFC 4028SS_SIP_NO_TIMER_REINVITE_INTERVAL72000-86400 secMaximum call duration for non-timer endpoints
Softswitch System Parameters in VOS3000 Parameter Description
Reference: VOS3000 2.1.9.07 Manual, Section 4.3.5.2 (Pages 237-239)
Softswitch system parameters control core softswitch functionality including media handling, call processing, gateway management, and blacklist/whitelist behavior. These parameters affect how the softswitch processes calls and interacts with gateways and endpoints.
Media and Call Processing Parameters
Parameter Name Default Description PageSS_MEDIA_PROXY_MODE0Media proxy mode (0=disabled, 1=enabled)237SS_MEDIA_PROXY_PORT_RANGE40000,59999Port range for media proxy RTP traffic237SS_MAX_CALL_DURATION0Maximum call duration in seconds (0=unlimited)237SS_ENDPOINT_EXPIRE3600Terminal registration expiry time in seconds237SS_GATEWAY_ASR_RESERVE_TIME600ASR reserve time for gateway in seconds238SS_GATEWAY_ACD_RESERVE_TIME600ACD reserve time for gateway in seconds238
Dynamic Black List Parameters
Parameter Name Default DescriptionSS_BLACK_LIST_CALLER_MALICIOUS_CALL_LIMIT1000Max calls triggering malicious call blockingSS_BLACK_LIST_CALLER_MALICIOUS_CALL_EXPIRE3600Duration for malicious call block in secondsSS_BLACK_LIST_NO_ANSWER_LIMIT100Consecutive no-answer calls triggering blockSS_BLACK_LIST_NO_ANSWER_EXPIRE3600Duration for no-answer block in seconds
Audio Service Parameters in VOS3000 Parameter Description
Reference: VOS3000 2.1.9.07 Manual, Section 4.3.5.3 (Pages 239-241)
Audio service parameters control the IVR (Interactive Voice Response) system, voicemail functionality, callback services, and other value-added audio features in VOS3000. These parameters determine codec priorities, language settings, timeout values, and session behavior for audio services.
Parameter Name Default Description PageIVR_CODEC_PRIORITYG.711A,G.711U,G.729,G.723Codec priority for IVR media239IVR_DEFAULT_LANGUAGEenDefault language for IVR prompts239IVR_MEDIA_CHECK_TIME_OUT3000Media check timeout in milliseconds240IVR_RINGING_TIMEOUT60Ringing timeout in seconds240IVR_SIP_SESSION_TTL600SIP session TTL for IVR calls240IVR_VOICEMAIL_MAX_DURATION120Maximum voicemail duration in seconds241
VOS3000 Parameter Description Best Practices
Implementing effective VOS3000 parameter description management requires adherence to established best practices that minimize risk and ensure system stability. The following recommendations are derived from extensive deployment experience and reflect industry-standard approaches to configuration management.
Change Management Recommendations
Document current settings: Before making any changes, record the current parameter value and description for rollback reference.
Research parameter function: Review the parameter description in the interface and consult the VOS3000 manual to fully understand the parameter’s purpose.
Test before production: Always test parameter changes in a non-production environment before applying to production systems.
Apply changes during maintenance windows: Plan parameter changes during periods when temporary service interruption is acceptable.
Verify after changes: Confirm that parameter changes produce the expected behavior and do not cause unintended side effects.
Parameter Optimization Tips
Scenario SESSION_TTL NAT_PERIOD MAX_DURATIONStandard VoIP Wholesale600 (10 min)30 sec0 (unlimited)Call Center Operations900 (15 min)20 sec14400 (4 hrs)Mobile/Unstable Networks300 (5 min)15 sec3600 (1 hr)Enterprise PBX1200 (20 min)30 sec28800 (8 hrs)
VOS3000 Installation and Support Services
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Service Description IncludesVOS3000 InstallationComplete server setupOS, VOS3000, Database, SecurityParameter ConfigurationOptimize for your environmentSIP, H323, Billing, Security tuningTechnical Support24/7 remote assistanceTroubleshooting, Debug, Analysis
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Related Resources
VOS3000 Session Timer Complete Guide
VOS3000 SIP Trunking Configuration
VOS3000 Prefix Settings Guide
Stopping Illegal Calls in VOS3000
VOS3000 Downloads – Manual and Software
Frequently Asked Questions about VOS3000 Parameter Description
What is the most important VOS3000 parameter description for billing accuracy?
The SERVER_BILLING_FEE_PRECISION and SERVER_BILLING_FEE_UNIT parameters are critical for billing accuracy. These parameters control the decimal precision and billing unit for charge calculations. Configure these parameters according to your business requirements and regulatory requirements for billing precision.
How do I enable NAT keep-alive in VOS3000 parameter description?
To enable NAT keep-alive, set SS_SIP_NAT_KEEP_ALIVE_MESSAGE to a non-empty value (default is “HELLO”). If this parameter is empty, NAT keep-alive is disabled. Configure SS_SIP_NAT_KEEP_ALIVE_PERIOD to control the interval between keep-alive transmissions (default is 30 seconds).
What happens if I set SS_SIP_SESSION_TTL too low?
Setting SS_SIP_SESSION_TTL too low (below 90 seconds) may cause frequent session refresh messages, increasing network traffic and potentially causing call quality issues. The minimum recommended value is 90 seconds as specified in RFC 4028. Values below this may trigger “422 Session Interval Too Small” errors from endpoints.
How do I disable automatic report generation?
To disable automatic generation of specific reports, set the corresponding SERVER_REPORT_ parameter to “Off” in the System Parameter interface. For example, to disable the Agent Income Report, set SERVER_REPORT_AGENT_INCOME to “Off”. Disabled reports can still be generated manually through the client interface.
Can I use VOS3000 parameter description to limit maximum call duration?
Yes, use the SS_MAX_CALL_DURATION parameter to limit the maximum call duration for all calls. Set the value in seconds (0 means unlimited). This parameter is useful for preventing runaway calls and controlling costs. Individual accounts may have additional duration limits configured in their settings.
Where can I get help with VOS3000 parameter description configuration?
MultaHost provides comprehensive technical support for VOS3000 parameter description configuration. Our experienced team can assist with parameter selection, configuration best practices, and troubleshooting. For immediate assistance, contact us via WhatsApp at +8801911119966. Additional resources are available at vos3000.com/downloads.php.
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