Cisco Systems H.323 manual Cisco TAC Escalation Center

Page 20

Preface

Obtaining Technical Assistance

Cisco TAC Escalation Center

The Cisco TAC Escalation Center addresses priority level 1 or priority level 2 issues. These classifications are assigned when severe network degradation significantly impacts business operations. When you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC engineer automatically opens a case.

To obtain a directory of toll-free Cisco TAC telephone numbers for your country, go to this URL:

http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml

Before calling, please check with your network operations center to determine the level of Cisco support services to which your company is entitled: for example, SMARTnet, SMARTnet Onsite, or Network Supported Accounts (NSA). When you call the center, please have available your service agreement number and your product serial number.

 

Cisco H.323 Signaling Interface User Guide

xx

OL-4806-01 Rev. A14

Page 19 Page 21
Image 20
Page 19 Page 21
Contents Cisco H.323 Signaling Interface User Guide Corporate HeadquartersCisco 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 Audience System AdministratorDocument Objectives Document Organization System OperatorSystem Technician This document is organized as follows PrefaceCommand abc Document ConventionsMeaning Comments and Examples BoldfaceGlobal configuration mode Related DocumentationRelease Notes Hardware DocumentationObtaining Documentation Software DocumentationRelated Documentation World Wide WebObtaining Technical Assistance Ordering DocumentationDocumentation Feedback Cisco.comTechnical Assistance Center Cisco TAC Web SiteCisco TAC Escalation Center Introduction Cisco HSI OverviewIP Network Cisco HSI System DescriptionPGW OAM Subsystem Call Control SubsystemNew Features in Cisco HSI Release Operational EnvironmentHardware Requirements RADVision H.323Cisco HSI Recovery Cisco HSI does not implement security featuresCisco HSI System Limitations Software RequirementsOL-4806-01 Rev. A14 Hardware and Software Requirements Installing and Configuring Cisco HSI Software IntroductionInstalling the Operating System Installing the Cisco HSI Configuring Groups and UsersCheck Preinstallation Task Before You StartCisco HSI Installation Information Source /opt/GoldWing/currentPM/local/setup.gw.csh# vi .cshrc # chmod 777 .cshrcSubdirectory Contents # tar xvf GoldWing-4.1.tar Installing Cisco HSIThis command displays the following text # cd /export/BUILDS/4.1 # ./install.sh Following text displaysType the VSC1 name and press Enter Following text displays ## Executing checkinstall script. Modified Environment is VERSION=4.1 Cisco HSI-A Dual HSI Example Configuration Script Starting the Cisco HSIExample # /etc/init.d/CiscoGW startConfiguring the Cisco HSI Stopping the Cisco HSIUpgrading the Cisco HSI # /etc/init.d/CiscoGW stop# cd /opt/GoldWing # ls -l # ./uninstall.shRemoving the Cisco HSI ## Removing installed package instance OTTgw000 Type y and press Enter. The following text displaysCisco HSI Configuration Provisioning the Cisco HSIMML Configuration Commands CommandCommand Description Prov-sta Prov-cpy Prov-stpIntroduction to MML Command Operation for HSI Initiating an MML Session to Enable Dtmf on the HSIVerifying the Configuration Etc/init.d/CiscoGW startStatic System Data System Configuration DataReverting to the Base Configuration Parameter Type Description Parameter, set it to Enabled Can receive T.38 FAX data. The default value isDefault value is 0xc8 Option. The default value isIssue the command restart-softwconfirm Changing Static System DataParameter Description Default Dynamic System DataOVLDLEVEL1PERCENT OVLDLEVEL3PERCENTOVLDLEVEL1FILTER OVLDLEVEL1THRESHLOWERStack Configuration Nonprovisionable Data MML Provisionable DataSystem Parameters ParametersProv-addname=q931,maxCalls=2000 Parameter Name Description Type Example Update TypeNull RAS Parameters Parameter Name Description Type ExampleManualRAS If this parameter is present Prov-addname=ras,maxfail=3AllowCallsWhenNonReg If this parameter is present, it R0.2.4 Immediate Assigns to each version Prov-addname=h245,masterSlave.timeout=5String H323ESP Update Parameter Name TypeINTEGER0,1 Parameter Name Parameter Value Description Codec SelectionQuick Reference for Important Parameters 14presents important static system data parameters Parameter Name Parameter Values Description 15presents common RAS parameters VSCBIPADDR1/2VSCBPORTNUMBER1/2 HSI Feature Configuration Parameter Name Parameter ValueHairpin Asymmetric Codec TreatmentEmpty Capability Set Configuring T.38 Fax on the Cisco Pstn Gateway Configuring T.38 Fax on a Cisco IOS H.323 GatewayConfiguring T.38 Fax on a Cisco IOS Mgcp Gateway 38 FaxConfiguring Clear Channel on the Cisco HSI Prov-addname=sysconfigstatic,informationmsgdisabled = TrueHSI Support for Tech Prefixes Prov-edname=ccpackage,hash=CClear Channel Parameters Example Value Example Configuration Configuring G.726 on the Cisco HSI Configuring Cisco HSI g726-cisco Parameter Example Value Configuration ExampleConfiguring the Payload Type for the Mgcp Configuring Cisco HSI g726-generic OL-4806-01 Rev. A14 Configuring G.729 Annex and G.729 Annex B ParameterOL-4806-01 Rev. A14 Restarting the Cisco HSI Application Stopping Call ProcessingStarting Call Processing Stopping the Call Processing ApplicationStarting the Call Processing Application Reporting the Cisco HSI StatusCall-Related Measurements Counter Name Measurement Type CommentsFcinccallatttot FcinccallsucctotFcotg Callatttot FcotgcallsucctotAvgroundtripdelay MasterslaveatttotMasterslavesucctot TermcapxchgatttotRetrieving Counters Resetting MeasurementsOverload Overload Level Retrieving Overload Data Setting Overload DataFollowing MML commands set overload data Logging Rotating Log FilesConvention for Naming the Log File Log File LocationLog Messages Logging LevelsLog Message Packages Log messages have the following formatSetting Gapping Setting Logging LevelsGapping RADVision LoggingRetrieving Call Gapping Data Set-gappingbothcalltype=all,percent=60Debounce Alarms OverviewAlarm Severity Levels Retrieving and Reporting Alarms Snmp Trap TypesInformational Event Requirements Severity Level DescriptionRetrieving Alarm Messages Noncontinuous ModeContinuous Mode To display all current alarms, use the rtrv-almsMML commandAcknowledging and Clearing Alarms Element DescriptionSystemId Name of your device and its identifier YYYY-MM-DDAlarms List Alarm Event and Reference Severity LevelTroubleshooting TroubleshootingDescription Severity Level and Trap TypeEisuppathfailure This alarm has not been implemented One of the two links to a single Cisco PGW 2200 has failedPercentage of disk usage is greater than the alarm limit LowdiskspaceUse the clr-almcommand to attempt to clear the alarm VscfailureRunning configuration has been modified Severity level is minor. The trap type isSeverity level is information. The trap type is This is an informational eventRADVision stack reports this alarm EndpointcallcontrolinterfacefailureGappedcallnormal OVERLOADLEVEL1 Provisioningsessiontimeout User has entered the stp-callproccommand through the MMLDetailed Logging Etc/init.d/CiscoGW start Exit out of superuser MML User Interface and Command Reference IntroductionStarting an MML Command Session in the Cisco HSI MML Command Conventions MML CommandsMML Command Syntax Symbol Description Starting an MML SessionCase Sensitivity MmlStarting a Batch File Batch FilesCreating a Batch File MML Responses Status MessagesStatus Message Description RtrvError Messages Error Message Definition DescriptionMML Help Quitting an MML SessionMML Command Reference This section describes the following MML commandsAck-almevent=alarm event Ack-almClr-alm Clr-almcommand clears an alarm eventClr-almevent=alarm event Diaglog ExamplesHelp StartEnd RedisplayHelprtrv-ctr RTRV-CTRProv-addcommand adds a component to the Cisco HSI Prov-addProv-cpy ConfirmUsage Guidelines Prov-addSysconfigstatic Sysconfigdynamic H323sys Ras H245 Q931 Related Commands DescriptionProv-dlt SessionGw mml prov-edname=ras,maxfail=7 Prov-edcommand modifies a provisioned componentProv-ed MML batch feature to import the exported data InstallationProv-exp Prov-stasrcver=active, dstver=dummy1Prov-rtrv Name ras Gw mml prov-rtrvname=rasGw mml prov-rtrvsession Gw mml prov-rtrvlistProv-sta Prov-stasrcver=version,dstver=versionProv-stp Prov-stpconfirm prov-stpsession nameconfirmSession name Process that started the provisioning sessionGw mml prov-stpmml2confirm Gw mml prov-stpconfirmGw mml prov-stpuk9confirm Quit RadlogQuit Radlogfile namestart stopGw mml restart-softwconfig2 Restart-softwGw mml restart-softwinit Gw mml restart-softwRtrv-alms Rtrv-alms rtrv-almscontCont Ack-almClr-meas Resets a measurement counter Rtrv-callsRtrv-ctr Syntax Description ExamplesSignalling path to the PGW Service is or out of service OOSRtrv-dest Set-dest-stateSyntax Description Rtrv-gappingRtrv-log Rtrv-mml Rtrv-ne Rtrv-ne-healthRtrv-ne Status of the Cisco HSIRtrv-overload Rtrv-overloadGw mml rtrv-ne-health Gw mml rtrv-overloadRtrv-softw Gw mml rtrv-softwRtrv-dest Set-dest-stateOOS Set-gapping Set-log PackageOne of the packages in the Cisco HSI Data to be activatedSet-overload Level 1 level 2 levelLower=number Upper=numberSta-softw Related Commands RetrieveSta-callproc Sta-callproc Starts call processing Sta-trccommand starts the call processing tracing functionSta-trc Stp-call Stp-callcallref=x stp-callallCallref Rtrv-callsStp-callproctimeout=T Stp-callprocSta-trc Starts the call processing tracing function Stp-trcStp-trc OL-4806-01 Rev. A14 Skeleton Configuration File RASmaxFailD1-200Sysconfigstatic Sysconfigstatic HOSTPORTNUMBER1 SSysconfigstatic HOSTPORTNUMBER2 S Sysconfigstatic VSCAPORTNUMBER2CCECChannelOutOfService CCECCugAccessBarredCCECNetworkAddressExtensionError S CCECOperatorPriorityAccessSysconfigstatic CCECPrefix0DialledInError Sysconfigstatic CCECPrefix1DialledInErrorSysconfigstatic CCECPrefix1NotDialled Sysconfigstatic CCECPriorityForcedReleaseSysconfigdynamic AlarmDebounceTime 60000 ResponseTimeOut 200OvldLevel2ThreshUpperCPU 100 OvldLevel3Percent 100H245 MasterSlave.timeout 65535 MasterSlave.manualOperation Q931 OverlappedSendingQ931 EarlyH245 Q931 H245tunnelingH245 Modesi.audio.g711Alaw64k H245 Modesi.audio.g711Alaw56kH245 Modesi.audio.g711Ulaw64k H245 Modesi.audio.g711Ulaw56kEisup Accgdes AccgdtdAccnocivc AccnociecdiAccwaitrlcfail AccnumrelretriesAccwaitrelretry CCPackage CCECServiceOrOptionNotAvail CCPackage CCECServiceOrOptionNotImpUnspecCCPackage CCECInvalidElemContents CCPackage CCECRecoveryOnTimerExpiryCCPackage CCHCExchangeRouteError CCPackage CCHCPermanentFrameModeConnectionOutOfService CCCPackage CCHCSwitchingEquipmentCongestion CCPackage CCHCAccessInformationDiscardedCCPackage CCHCServiceOrOptionNotImplemented CCPackage CCHCInvalidInformationElementContentsCCPackage CCHCRecoveryOnTimerExpiry CCPackage CCHCBearerCapabilityNotImplementedCisco H.323 Signaling Interface User Guide Trace Trigger2.h323.CalledPartyNumber Trace Trigger2.h323.OriginatingIPAddressTrace Trigger2.h323.OriginatingIPMask Trace Trigger2.h323.TerminatingIPAddressEisup Rudptimercheckperiodmsec Eisup WaittimebeforefailovermillisecH323 MaxTimers TickPeriod DefaultSDPt Q931 ConnectTimeoutConstNumberNoRangeConst Q931 NonQuotedConstExample of an HSI Configuration File # Logging PackageAppendix 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 # FCI Accgdes =Accgdtd = 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 # Faultmanagement Package # Gapping Package# Trace Package Appendix C Example of an HSI Configuration File # Eisup Package # Application Package# Dynamic System Data AlternategatekeeperipAlternategatekeeperport = Alternategatekeeperid Logprio = Trace= Cchcdefault OVLDLEVEL2FILTER = NormalNormal OVLDLEVEL2THRESHUPPERCPU OVLDLEVEL3FILTER = NormalCCECNetworkAddressExtensionError CCECBlacklistBNumberMatchedCCECBlacklistCliLengthInvalid CCECCallingDroppedWhileOnHoldCCECPrefix0DialledInError CCECPrefix1DialledInErrorCCECProtocolErrorUnspec CCECRemoteProcErrorAppendix C Example of an HSI Configuration File OL-4806-01 Rev. A14 Isup Name-to-Cause Value Lookup Name ValueAppendix D E-ISUP Name-to-Cause Value Lookup Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Isup Cause Value-to-Name Lookup Value NameAppendix 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 Configchange Lowdiskspace OVERLOADLEVEL1 OVERLOADLEVEL2 OVERLOADLEVEL3Stopcallprocessing VscfailureClr-meas command Codec parameters Commands ack-alm clr-alm clr-meas diaglogConfigchange alarm Data Configurable B-1 Constant B-1Isup EndpointcallcontrolinterfacefailurEndpointchannelinterfacefailure HSIMML commands case sensitivity A-3conventions A-2 Man-machine languageAlarmdebouncetime Ciagentscanperiod Codec Dynamic system data 245 SystemLogdirectory Logfilerotateinterval Logfilerotatesize Nonprovisionable data OverlappedSendingRelated documentation Reliable User Datagram Protocol931 See Rudp Pkinst fileStp-softw command Vscfailure alarmSnmp Manager MIB Subagent
Related manuals
Manual 32 pages 39.25 Kb

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.
Top Page Image Contents