Cisco Systems H.323 manual Restarting the Cisco HSI Application, Stopping Call Processing

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C H A P T E R 4

Managing the Cisco HSI

Introduction

This chapter provides information about operation and management tasks for the Cisco H.323 Signaling Interface (HSI) application. This chapter contains the following sections:

•Restarting the Cisco HSI Application, page 4-1

•Stopping Call Processing, page 4-1

•Starting Call Processing, page 4-2

•Stopping the Call Processing Application, page 4-2

•Starting the Call Processing Application, page 4-2

•Reporting the Cisco HSI Status, page 4-2

•Measurements, page 4-2

•Overload, page 4-6

•Logging, page 4-9

•Gapping, page 4-11

Restarting the Cisco HSI Application

To restart the Cisco HSI at the MML command prompt, use the restart-softwMML command. For more information about this command, see Appendix A, “MML User Interface and Command Reference.”

To start the Cisco HSI application, see the “Installing the Cisco HSI” section on page 2-2.

Stopping Call Processing

To stop call processing, use the stp-callprocMML command. This command causes the handling of new call requests to cease immediately, and, if no timeout period is specified, all existing calls are released immediately. If a timeout period is specified, existing calls are released after the specified amount of time has elapsed. For more information about the stp-callproccommand, see Appendix A, “MML User Interface and Command Reference.”

 

 

Cisco H.323 Signaling Interface User Guide

 

 

 

 

 

 

 

OL-4806-01 Rev. A14

 

 

4-1

 

 

 

 

 

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Contents Corporate Headquarters Cisco H.323 Signaling Interface User GuideCisco H.323 Signaling Interface User Guide N T E N T S Introduction to MML Command Operation for HSI Hairpin 38 Fax RADVision Logging Eisuppathfailure Endpointcallcontrolinterfacefailure MML Help OL-4806-01 Rev. A14 Skeleton Configuration File Xii Document Objectives System AdministratorAudience System Operator Document OrganizationSystem Technician This document is organized as follows PrefaceDocument Conventions Command abcMeaning Comments and Examples BoldfaceRelated Documentation Global configuration modeRelease Notes Hardware DocumentationSoftware Documentation Obtaining DocumentationRelated Documentation World Wide WebOrdering Documentation Obtaining Technical AssistanceDocumentation Feedback Cisco.comCisco TAC Web Site Technical Assistance CenterCisco TAC Escalation Center Cisco HSI Overview IntroductionPGW Cisco HSI System DescriptionIP Network Call Control Subsystem OAM SubsystemOperational Environment New Features in Cisco HSI ReleaseHardware Requirements RADVision H.323Cisco HSI does not implement security features Cisco HSI RecoveryCisco HSI System Limitations Software RequirementsOL-4806-01 Rev. A14 Installing the Operating System Installing and Configuring Cisco HSI Software IntroductionHardware and Software Requirements Configuring Groups and Users Installing the Cisco HSICheck Preinstallation Task Before You StartSource /opt/GoldWing/currentPM/local/setup.gw.csh Cisco HSI Installation Information# vi .cshrc # chmod 777 .cshrcSubdirectory Contents This command displays the following text Installing Cisco HSI# tar xvf GoldWing-4.1.tar Following text displays # cd /export/BUILDS/4.1 # ./install.shType the VSC1 name and press Enter Following text displays ## Executing checkinstall script. Modified Environment is VERSION=4.1 Cisco HSI-A Starting the Cisco HSI Dual HSI Example Configuration ScriptExample # /etc/init.d/CiscoGW startStopping the Cisco HSI Configuring the Cisco HSIUpgrading the Cisco HSI # /etc/init.d/CiscoGW stopRemoving the Cisco HSI # ./uninstall.sh# cd /opt/GoldWing # ls -l Type y and press Enter. The following text displays ## Removing installed package instance OTTgw000Provisioning the Cisco HSI Cisco HSI ConfigurationCommand MML Configuration CommandsCommand Description Prov-sta Prov-cpy Prov-stpInitiating an MML Session to Enable Dtmf on the HSI Introduction to MML Command Operation for HSIVerifying the Configuration Etc/init.d/CiscoGW startReverting to the Base Configuration System Configuration DataStatic System Data Parameter Type Description Can receive T.38 FAX data. The default value is Parameter, set it to EnabledDefault value is 0xc8 Option. The default value isChanging Static System Data Issue the command restart-softwconfirmDynamic System Data Parameter Description DefaultOVLDLEVEL3PERCENT OVLDLEVEL1PERCENTOVLDLEVEL1FILTER OVLDLEVEL1THRESHLOWERStack Configuration MML Provisionable Data Nonprovisionable DataSystem Parameters ParametersNull Parameter Name Description Type Example Update TypeProv-addname=q931,maxCalls=2000 Parameter Name Description Type Example RAS ParametersManualRAS If this parameter is present Prov-addname=ras,maxfail=3AllowCallsWhenNonReg If this parameter is present, it String H323ESP Prov-addname=h245,masterSlave.timeout=5R0.2.4 Immediate Assigns to each version Parameter Name Type UpdateINTEGER0,1 Quick Reference for Important Parameters Codec SelectionParameter Name Parameter Value Description 14presents important static system data parameters Parameter Name Parameter Values Description VSCBPORTNUMBER1/2 VSCBIPADDR1/215presents common RAS parameters Parameter Name Parameter Value HSI Feature ConfigurationEmpty Capability Set Asymmetric Codec TreatmentHairpin Configuring T.38 Fax on a Cisco IOS H.323 Gateway Configuring T.38 Fax on the Cisco Pstn GatewayConfiguring T.38 Fax on a Cisco IOS Mgcp Gateway 38 FaxProv-addname=sysconfigstatic,informationmsgdisabled = True Configuring Clear Channel on the Cisco HSIHSI Support for Tech Prefixes Prov-edname=ccpackage,hash=CClear Channel Parameters Example Value Example Configuration Configuring G.726 on the Cisco HSI Configuring the Payload Type for the Mgcp Parameter Example Value Configuration ExampleConfiguring Cisco HSI g726-cisco Configuring Cisco HSI g726-generic OL-4806-01 Rev. A14 Parameter Configuring G.729 Annex and G.729 Annex BOL-4806-01 Rev. A14 Stopping Call Processing Restarting the Cisco HSI ApplicationStopping the Call Processing Application Starting Call ProcessingStarting the Call Processing Application Reporting the Cisco HSI StatusCounter Name Measurement Type Comments Call-Related MeasurementsFcinccallsucctot FcinccallatttotFcotg Callatttot FcotgcallsucctotMasterslaveatttot AvgroundtripdelayMasterslavesucctot TermcapxchgatttotOverload Resetting MeasurementsRetrieving Counters Overload Level Following MML commands set overload data Setting Overload DataRetrieving Overload Data Rotating Log Files LoggingConvention for Naming the Log File Log File LocationLogging Levels Log MessagesLog Message Packages Log messages have the following formatSetting Logging Levels Setting GappingGapping RADVision LoggingSet-gappingbothcalltype=all,percent=60 Retrieving Call Gapping DataAlarm Severity Levels Alarms OverviewDebounce Snmp Trap Types Retrieving and Reporting AlarmsInformational Event Requirements Severity Level DescriptionNoncontinuous Mode Retrieving Alarm MessagesContinuous Mode To display all current alarms, use the rtrv-almsMML commandElement Description Acknowledging and Clearing AlarmsSystemId Name of your device and its identifier YYYY-MM-DDAlarm Event and Reference Severity Level Alarms ListTroubleshooting TroubleshootingDescription Severity Level and Trap TypeEisuppathfailure One of the two links to a single Cisco PGW 2200 has failed This alarm has not been implementedLowdiskspace Percentage of disk usage is greater than the alarm limitVscfailure Use the clr-almcommand to attempt to clear the alarmSeverity level is minor. The trap type is Running configuration has been modifiedSeverity level is information. The trap type is This is an informational eventEndpointcallcontrolinterfacefailure RADVision stack reports this alarmGappedcallnormal OVERLOADLEVEL1 User has entered the stp-callproccommand through the MML ProvisioningsessiontimeoutDetailed Logging Starting an MML Command Session in the Cisco HSI MML User Interface and Command Reference IntroductionEtc/init.d/CiscoGW start Exit out of superuser MML Command Syntax MML CommandsMML Command Conventions Starting an MML Session Symbol DescriptionCase Sensitivity MmlCreating a Batch File Batch FilesStarting a Batch File Status Messages MML ResponsesStatus Message Description RtrvError Message Definition Description Error MessagesMML Help Quitting an MML SessionThis section describes the following MML commands MML Command ReferenceAck-alm Ack-almevent=alarm eventClr-almevent=alarm event Clr-almcommand clears an alarm eventClr-alm Examples DiaglogStart HelpEnd RedisplayRTRV-CTR Helprtrv-ctrProv-add Prov-addcommand adds a component to the Cisco HSIConfirm Prov-cpyUsage Guidelines Prov-addRelated Commands Description Sysconfigstatic Sysconfigdynamic H323sys Ras H245 Q931Prov-dlt SessionProv-ed Prov-edcommand modifies a provisioned componentGw mml prov-edname=ras,maxfail=7 Installation MML batch feature to import the exported dataProv-exp Prov-stasrcver=active, dstver=dummy1Prov-rtrv Gw mml prov-rtrvname=ras Name rasGw mml prov-rtrvsession Gw mml prov-rtrvlistProv-stasrcver=version,dstver=version Prov-staProv-stpconfirm prov-stpsession nameconfirm Prov-stpSession name Process that started the provisioning sessionGw mml prov-stpuk9confirm Gw mml prov-stpconfirmGw mml prov-stpmml2confirm Radlog QuitQuit Radlogfile namestart stopRestart-softw Gw mml restart-softwconfig2Gw mml restart-softwinit Gw mml restart-softwRtrv-alms rtrv-almscont Rtrv-almsCont Ack-almRtrv-calls Clr-meas Resets a measurement counterRtrv-ctr Syntax Description ExamplesService is or out of service OOS Signalling path to the PGWRtrv-dest Set-dest-stateRtrv-log Rtrv-gappingSyntax Description Rtrv-mml Rtrv-ne-health Rtrv-neRtrv-ne Status of the Cisco HSIRtrv-overload Rtrv-overloadGw mml rtrv-ne-health Gw mml rtrv-overloadGw mml rtrv-softw Rtrv-softwOOS Set-dest-stateRtrv-dest Set-gapping Package Set-logOne of the packages in the Cisco HSI Data to be activatedLevel 1 level 2 level Set-overloadLower=number Upper=numberSta-callproc Related Commands RetrieveSta-softw Sta-trc Sta-trccommand starts the call processing tracing functionSta-callproc Starts call processing Stp-callcallref=x stp-callall Stp-callCallref Rtrv-callsStp-callproc Stp-callproctimeout=TStp-trc Stp-trcSta-trc Starts the call processing tracing function OL-4806-01 Rev. A14 RASmaxFailD1-200 Skeleton Configuration FileSysconfigstatic HOSTPORTNUMBER1 S SysconfigstaticSysconfigstatic HOSTPORTNUMBER2 S Sysconfigstatic VSCAPORTNUMBER2CCECCugAccessBarred CCECChannelOutOfServiceCCECNetworkAddressExtensionError S CCECOperatorPriorityAccessSysconfigstatic CCECPrefix1DialledInError Sysconfigstatic CCECPrefix0DialledInErrorSysconfigstatic CCECPrefix1NotDialled Sysconfigstatic CCECPriorityForcedReleaseSysconfigdynamic ResponseTimeOut 200 AlarmDebounceTime 60000OvldLevel2ThreshUpperCPU 100 OvldLevel3Percent 100Q931 OverlappedSending H245 MasterSlave.timeout 65535 MasterSlave.manualOperationQ931 EarlyH245 Q931 H245tunnelingH245 Modesi.audio.g711Alaw56k H245 Modesi.audio.g711Alaw64kH245 Modesi.audio.g711Ulaw64k H245 Modesi.audio.g711Ulaw56kEisup Accgdtd AccgdesAccnocivc AccnociecdiAccwaitrelretry AccnumrelretriesAccwaitrlcfail CCPackage CCECServiceOrOptionNotImpUnspec CCPackage CCECServiceOrOptionNotAvailCCPackage CCECInvalidElemContents CCPackage CCECRecoveryOnTimerExpiryCCPackage CCHCPermanentFrameModeConnectionOutOfService C CCPackage CCHCExchangeRouteErrorCCPackage CCHCSwitchingEquipmentCongestion CCPackage CCHCAccessInformationDiscardedCCPackage CCHCInvalidInformationElementContents CCPackage CCHCServiceOrOptionNotImplementedCCPackage CCHCRecoveryOnTimerExpiry CCPackage CCHCBearerCapabilityNotImplementedCisco H.323 Signaling Interface User Guide Trace Trigger2.h323.OriginatingIPAddress Trace Trigger2.h323.CalledPartyNumberTrace Trigger2.h323.OriginatingIPMask Trace Trigger2.h323.TerminatingIPAddressEisup Waittimebeforefailovermillisec Eisup RudptimercheckperiodmsecQ931 ConnectTimeoutConst H323 MaxTimers TickPeriod DefaultSDPtNumberNoRangeConst Q931 NonQuotedConst# Logging Package Example of an HSI Configuration FileAppendix C Example of an HSI Configuration File Appendix C Example of an HSI Configuration File Appendix C Example of an HSI Configuration File # Call Control Package Accgdes = # FCIAccgdtd = Accnociecdi = Accnocicci = Accnocisi = Acctmr =Appendix C Example of an HSI Configuration File Appendix C Example of an HSI Configuration File Appendix C Example of an HSI Configuration File Appendix C Example of an HSI Configuration File # Gapping Package # Faultmanagement Package# Trace Package Appendix C Example of an HSI Configuration File # Application Package # Eisup PackageAlternategatekeeperip # Dynamic System DataAlternategatekeeperport = Alternategatekeeperid Logprio = TraceOVLDLEVEL2FILTER = Normal = CchcdefaultNormal OVLDLEVEL2THRESHUPPERCPU OVLDLEVEL3FILTER = NormalCCECBlacklistBNumberMatched CCECNetworkAddressExtensionErrorCCECBlacklistCliLengthInvalid CCECCallingDroppedWhileOnHoldCCECPrefix1DialledInError CCECPrefix0DialledInErrorCCECProtocolErrorUnspec CCECRemoteProcErrorAppendix C Example of an HSI Configuration File OL-4806-01 Rev. A14 Name Value Isup Name-to-Cause Value LookupAppendix D E-ISUP Name-to-Cause Value Lookup Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Value Name Isup Cause Value-to-Name LookupAppendix E E-ISUP Cause Value-to-Name Lookup Appendix E E-ISUP Cause Value-to-Name Lookup OL-4806-01 Rev. A14 Name-to-Cause Value Lookup Appendix F H.323 Name-to-Cause Value Lookup Cause Value-to-Name Lookup Appendix G H.323 Cause Value-to-Name Lookup Lowdiskspace OVERLOADLEVEL1 OVERLOADLEVEL2 OVERLOADLEVEL3 ConfigchangeStopcallprocessing VscfailureCodec parameters Commands ack-alm clr-alm clr-meas diaglog Clr-meas commandConfigchange alarm Data Configurable B-1 Constant B-1Endpointcallcontrolinterfacefailur IsupEndpointchannelinterfacefailure HSIMan-machine language MML commands case sensitivity A-3conventions A-2Codec Dynamic system data 245 System Alarmdebouncetime CiagentscanperiodLogdirectory Logfilerotateinterval Logfilerotatesize Nonprovisionable data OverlappedSendingReliable User Datagram Protocol Related documentation931 See Rudp Pkinst fileVscfailure alarm Stp-softw commandSnmp Manager MIB Subagent
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H.323 specifications

Cisco Systems H.323 is a set of standards designed for transmitting audio, video, and data over packet-switched networks. It is a critical technology that enables real-time communication and has become integral to the world of VoIP (Voice over Internet Protocol) and video conferencing applications. Originally developed by the ITU-T, H.323 has been widely adopted and implemented by Cisco Systems, allowing organizations to leverage reliable and scalable communication solutions.

One of the standout features of H.323 is its ability to support interoperability among varying equipment and platforms. This means that devices from different manufacturers can communicate seamlessly, which is vital in a diverse technical environment. H.323 does this by defining protocols that handle signaling, media transport, and control, ensuring that various systems can work together effectively.

Key technologies utilized within H.323 include H.225 and H.245 signaling protocols. H.225 is responsible for call setup and management, establishing communication between endpoints. In contrast, H.245 manages the negotiation of media channels, allowing devices to configure themselves based on the capabilities of each other. This adaptability is crucial for dynamic network conditions typical in VoIP applications.

Another defining characteristic of H.323 is its support for multiple types of multimedia communication, including point-to-point and multipoint calls. This flexibility supports everything from simple audio calls to complex videoconferencing setups, where many participants can share video and audio streams concurrently. Cisco enhances this capability through its hardware and software offerings, optimizing performance for conference calls.

H.323 also features robust error resilience mechanisms. This ensures that real-time data, which is typically sensitive to delays and losses, can be transmitted with minimal disruption. Moreover, it facilitates quality of service (QoS) implementation, allowing organizations to prioritize voice and video traffic over less critical data services, thereby improving the overall user experience.

In conclusion, Cisco Systems H.323 stands out as a comprehensive solution for real-time communication over packet-based networks. Its main features, including interoperability, multimedia support, and enhanced error resilience, position it as a relevant technology in both corporate and personal communication settings. As organizations continue to adopt cloud and hybrid communication models, H.323 remains a reliable backbone for ensuring connectivity and collaboration across diverse platforms.
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