Cisco Signaling Interface H.323 Operation & User’s Manual

Text of Cisco Signaling Interface H.323 User Guide:

• Cisco Signaling Interface H.323, A-25 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix A MML User Interface and Command Reference rtrv-alms rtrv-alms The rtrv-alms command retrieves all active alarms. rtrv-alms rtrv-alms:cont Syntax Description Examples In the following example, the output contains the standard alarm definition and also a NACK or an ACK for noninformational alarms. NACK and ACK indicate the acknowledgement status of the alarm. gw mml> rtrv-alms GW Signaling Interface 2000-12-05 14:19:22 M

• Contents v Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 H.323 Stack Configuration 10 Nonprovisionable Data 11 MML Provisionable Data 11 H.323 System Parameters 11 Q.931 Parameters 11 RAS Parameters 13 H.245 Parameters 15 Codec Selection 18 Quick Reference for Important Parameters 18 HSI Feature Configuration 22 Asymmetric Codec

• Cisco Signaling Interface H.323, 3-7 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI Cisco HSI Configuration Changing Static System Data To change static system data, you must first determine if it is acceptable to stop currently active calls in 20 seconds. If it is acceptable to stop active calls in 20 seconds, change static system data using the following procedure: Step 1 Modify the static parameters you want to change. Step 2 Activate the changed static parameters by issuing the prov-cpy command. Ste

• Cisco Signaling Interface H.323, C-2 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix C Example of an HSI Configuration File Connection = 0x0000 #Connection = 0xFF00 DataManager = 0x0000 #Eisup = 0xFF00 Eisup = 0x0000 FaultManager = 0x0000 Gapping = 0x0000 H323 = 0x0000 Infrastructure = 0x0000 Overload = 0x0000 ProcessManager = 0x0000 Provisioning = 0x0000 Signal = 0x0000 Snmp =

• Cisco Signaling Interface H.323, A-6 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix A MML User Interface and Command Reference MML Help Error Messages If an MML command does not perform, an error message is displayed. Table A-4 lists the MML error messages and their descriptions. . MML Help MML has an online help feature. The MML help command displays a list of valid system commands and an explanation of each command’s use. To display the online help, start an MML session and type help at the command line prompt. See the “help” section on page A-11. Quitt

• Cisco Signaling Interface H.323, 3-10 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI H.323 Stack Configuration H.323 Stack Configuration The parameter name is based on the ASN.1 paths; but, in some cases, the parameter name has been shortened for convenience. For example, “capabilities” has been shortened to “caps.” The case of the parameter name reflects exactly the ASN.1 definitions; but, case is not important to MML configuration. OVLDLEVEL3PERCENT Indicates what percentage of calls should be rejected when an overload condition occurs. The parameter is used in conjunction with the OVLDLEVEL3FILTER parameter. This is the highest level of ov

• 4-8 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 4 Managing the Cisco HSI Overload Setting Overload Data The following MML commands set overload data: set-overload:level1|level2|level3:cpu, lower=number, upper=number set-overload:level1|level2|level3:calls, lower=number, upper=number set-overload:level1|level2|level3:gap, filter=normal|all, percent=numb

• Cisco Signaling Interface H.323, xix Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Preface Obtaining Technical Assistance • Register for online skill assessment, training, and certification programs If you want to obtain customized information and service, you can self-register on Cisco.com. To access Cisco.com, go to this URL: http://www.cisco.com Technical Assistance Center The Cisco Technical Assistance Center (TAC) is available to all customers who need technical assistance with a Cisco product, technology, or solution. Two levels of support are available: the Cisco TAC Web Site and the Cisco TAC Escalation Center. Cisco TAC inquiries are categorize

• Cisco Signaling Interface H.323, 2-9 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 2 Installing and Configuring Cisco HSI Software Installing the Cisco HSI [ verifying class <script> ] ## Executing postinstall script. Installed package instance is: OTTgw000 Installation of <OTTgw000> was successful. Installed package instance environment variables are: ----------------------------------------------------- PKGINST=OTTgw000 VERSION=4.1 BASEDIR=/opt/GoldWing/4.1 GWHOME=/o

• Cisco Signaling Interface H.323, 2-10 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 2 Installing and Configuring Cisco HSI Software Installing the Cisco HSI Installing Multiple Cisco HSIs in a Redundant PGW 2200 Configuration This section describes how to install and configure two Cisco HSI for use with a redundant Cisco PGW 2200 configuration (See Figure 2-1). Figure 2-1 Dual Cisco HSI with a Redundant PGW 2200 Configuration Caution To ensure the successful installation of two Cisco HSIs, after Step 22 of the “Installing Cisco HSI” section on page 2-5, provision the software for the active host first befor

• Cisco Signaling Interface H.323, 5-2 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 5 Troubleshooting Cisco HSI Alarms Alarms Overview Retrieving and Reporting Alarms Events with a severity level of critical, major, or minor are classified as alarms and can be retrieved through the Man-Machine Language (MML) interface and a Simple Network Management Protocol (SNMP) manager. An alarm must be reported when an alarm state changes (assuming the alarm does not have an unreported severity). Informational Event Requirements Informational events do not require

• Cisco Signaling Interface H.323, A-31 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix A MML User Interface and Command Reference rtrv-overload Examples In the following example, the command displays information about the Cisco HSI status: gw mml> rtrv-ne-health VSC H-323 Signaling Interface - H323-GW1 2000-06-20 10:04:28 M RTRV CPU Load: 23% Disk space: 123456 Number of connected calls: 23 Number of calls in setup: 12 rtrv-overload The rtrv-overload command displays overload status information and value settings for the three provisionable levels of overload. rtrv-overload Syntax Description Examples In

• 3-28 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI HSI Feature Configuration If a non-preferred G.726 data rate is selected over a higher-preference codec, the HSI will continue with the call using the non-preferred data rate. This is preferable to the alternative (aborting the media stream, invoki

• Cisco Signaling Interface H.323, 3-14 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI H.323 Stack Configuration allowCallsWhenNonReg If this parameter is present, it allows calls to proceed even if gatekeeper registration has not been done for the PGW 2200. NULL Not present Immediate manualRegistration If this parameter is present, the stack does not perform automatic gatekeeper registration procedures (it waits to be driven by the application). NULL Not present Stop/Start timeToLive The maximum time (in seconds) that the registration of the PGW 2200 with a gatekeeper remains valid. The stack reregisters periodically

• B-3 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix B Skeleton Configuration File SYS_CONFIG_STATIC CC_EC_BlacklistBNumberMatched S STRING SYS_CONFIG_STATIC CC_EC_BlacklistCliLengthInvalid S STRING SYS_CONFIG_STATIC CC_EC_BlacklistCliMatched S

• Cisco Signaling Interface H.323, B-4 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix B Skeleton Configuration File SYS_CONFIG_STATIC CC_EC_PreemptionCctUnavailable S STRING SYS_CONFIG_STATIC CC_EC_Prefix0DialledInError S STRING SYS_CONFIG_STATIC CC_EC_Prefix1DialledInError S STRING SYS_CONFIG_STATIC CC_EC_Prefix1NotDialled S STRING SYS_CONFIG_STATIC CC_EC_PriorityForcedRelease

• Cisco Signaling Interface H.323, 5-11 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 5 Troubleshooting Cisco HSI Alarms Troubleshooting OVERLOAD_LEVEL2 Description An overload level 2 condition exists. This alarm is reported to the management interface and can be obtained with SNMP. This alarm automatically clears when the CPU occupancy or the number of active calls drops below the lower limits set in the overload configuration for level 2. Severity Level and Trap Type The severity level is minor. The trap type is 4. Cause The OVER

• Cisco Signaling Interface H.323, 3-27 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI HSI Feature Configuration Configuring G.726 on the Cisco HSI The G.726 codec enables transcoding a PCM channel to or from an ADPCM data stream. The standard supports four data rates:16, 24, 32 and 40 kbit/sec. G.726 capability is advertised by the Cisco HSI and other H.323 gateways/endpoints in H.225 fast-start elements, in H.245 (tunneled or a separate TCP/IP connection) terminal capability (TCS) messages, and open logical channel (OLC) messages. Currently, H.323 devices use several different methods to advertise G.726. ITU G.726 Annex B defines one me

• Cisco Signaling Interface H.323, A-13 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix A MML User Interface and Command Reference prov-add prov-add The prov-add command adds a component to the Cisco HSI. prov-add:name=MML name,param name=param value,... Syntax Description Usage Guidelines To define more than one parameter, enter additional param name=param value descriptions on the command line. See Chapter 3, “Provisioning the Cisco HSI,” for the list of MML names, parameter names, and their associated values. Examples The command shown in the following example adds a provisioning element with the MML name ras, parameter name maxFail, and value 3: gw mml> p

• Cisco Signaling Interface H.323, A-26 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix A MML User Interface and Command Reference rtrv-calls rtrv-calls The rtrv-calls command displays all actively connected calls. If the time elapsed parameter is provided (in units of minutes), calls display only if they exceed the specified time. The output includes the call direction, time connected, calling and called address, and call reference. rtrv-calls[:time elapsed] Syntax Description Examples In the following example, the command displays all actively connected calls: gw mml> rt

• Cisco Signaling Interface H.323, Index IN-8 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 OVLDLEVEL3PERCENT 4-7 OVLDLEVEL3THRESHLOWERCPU 4-7 OVLDLEVEL3THRESHUPPERCALLS 4-7 OVLDLEVEL3THRESHUPPERCPU 4-7 Q.931 3-10 RAS 3-11 PGW 2200 description 1-2 PKINST file 2-9, 2-12 protocols E-ISUP 1-4 H.225 1-4 Q.931 1-4 RUDP 1-4 prov-add command 3-3, 3-6, 3-9, A-12 prov-cpy command A-13 prov-dlt command 3-3, 3-6, 3-9, A-14 prov-ed command 3-3, 3-6, 3-9, A-15 prov-exp command A-16 PRO

• C-9 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix C Example of an HSI Configuration File CC_EC_MsgTypeNotImpOrWrongState = CC_HC_MessageTypeNotCompatibleWithStateOrNonExistantOrNotImplemented CC_EC_ElemTypeNotImp = CC_HC_InformationElementParameterNonExistantOrNotImplemented CC_EC_InvalidElemContents = CC_HC_InvalidIn

• Cisco Signaling Interface H.323, A-21 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Appendix A MML User Interface and Command Reference prov-stp The MML command shown in the following example starts a provisioning session, opens the existing configuration named ver1, and saves the updated configuration as ver2: gw mml> PROV-STA::SRCVER="ver1", DSTVER="ver2" Related Commands prov-stp The prov-stp command terminates the provisioning session and saves the configuration. prov-stp:confirm prov-stp:session name:confirm Syntax De

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