Manuel d'utilisation / d'entretien du produit H.323 du fabricant Cisco Systems
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CH A P T E R 3-1 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 3 Provisioning the Cisco HSI Introduction This chapter describes the data that must be pro visioned for t he Cisco H.323 Signal ing Interface ( HSI). The data is div ided into two areas: system conf igur ation and H.
3-2 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI Cisco HSI Configuration HSI starts up, it attempts to read the acti v e conf iguration, ch ecks that the conf iguration has been v erif ied, and ensures that the ch ecksum matches.
3-3 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI Cisco HSI Configuration Introduction to MML Command Operation for HSI After the HSI software is installed, you can configu re additional items. The follo wing MML comman d examples sho w ho w to enable DTMF ca pability on the HSI.
3-4 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI Cisco HSI Configuration Step 2 T o display the entire conf iguratio n, issue the follo wing com.
3-5 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI Cisco HSI Configuration T able 3-3 Static System D ata P ar ameters Parameter T ype Description HOST_POR T_NUMBER1 [0-65535] The first po rt number to be used by the Cisco H SI.
3-6 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI Cisco HSI Configuration Pa voRedirPresInd [0-3] The v alue of the Pa vo redirecting number presentation indicator . (If this parameter is not provisioned, the default is Q.
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 T o change static system data, you must first determine if it is acceptabl e to stop currently acti v e calls in 20 seconds.
3-8 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI Cisco HSI Configuration Dynamic System Data T o m odify the dyn amic system da ta parame ters in Ta b l e 3 - 4 , use the sys_config_dyn amic MML name v ariable for the pr ov-add , pr ov-dlt , and pro v-ed commands.
3-9 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI Cisco HSI Configuration O VLDLEVEL1PERCENT Indicate s what percentage of calls sh ould be rejected when an overload condition occurs . Thi s parameter is used in conjun ction with the O VLDLEVEL1FIL TER parameter .
3-10 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI H.323 Stack Configuration H.323 Stack Configuration The parameter nam e is based on the A SN.1 paths; but, in some cases, the par ameter nam e has been shortened for con v enience.
3-11 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI H.323 Stack Configuration Nonprovisionable Data The parameters in Ta b l e 3 - 5 cannot be altered through MML commands. MML Provisionable Data H.
3-12 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI H.323 Stack Configuration Example prov-add:name=q931,maxCalls=2000 The Update T ype column in .
3-13 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI H.323 Stack Configuration RAS Parameters The parameters in Ta b l e 3 - 8 are required for RAS stack initializa tion. T o modify the RAS parameters, use the ras MML name variabl e for the prov-add , pr ov-dlt , and pro v-ed commands.
3-14 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI H.323 Stack Configuration allo wCallsWhenNonReg If this paramet er is present, it allo ws calls to proceed ev en if gatekeeper re gistration has not been done for the PGW 2200.
3-15 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI H.323 Stack Configuration H.245 Parameters T o modify the H.245 parameters listed in Ta b l e 3 - 9 , use the h245 MML name variable for the pr ov-add, pro v-dlt and pro v-ed commands.
3-16 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI H.323 Stack Configuration Ta b l e 3 - 1 0 , Ta b l e 3 - 1 1 , and Ta b l e 3 - 1 2 list the parameters and modes related to the conf iguring of codecs.
3-17 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI H.323 Stack Configuration caps.table[i].audio.g7 22at56k INTEGER(1, 256) caps.table[i].audio.g7 22at48k INTEGER(1, 256) caps.table[i].audio.g7 231.
3-18 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI H.323 Stack Configuration Codec Selection The Cisco HSI negotiates the media stream codec to establish a match betw een the PSTN MGCP med ia gate way ( for exampl e, the Cisco AS5xxx series or Cisco MGX series) and the H .
3-19 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI H.323 Stack Configuration The follo wing MML comman d exampl e sho ws the command sequence used to pr ovision t he call control parameters provid ed in the preceding table.
3-20 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI H.323 Stack Configuration T able 3-14 Common Static System D ata P ar ameters Parameter Name Parameter V alues Description CarrierCodeM apping • “enabled”—a string that indicates the feature is enabled.
3-21 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI H.323 Stack Configuration The follo wing MML command e xample sho w s the command sequence used to p rovision t he static system data p aramete rs provided in the precedin g table.
3-22 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI HSI Feature Configuration Ta b l e 3 - 1 6 presents common H.245 paramete rs for enabling t he G.729 codec. The follo wing MML command e xample sho ws the command sequence used to provision t he H.
3-23 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI HSI Feature Configuration • Config uring G.726 on the Cisco HSI • Conf iguring G.
3-24 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI HSI Feature Configuration Refer to Cisco PGW and Cisco IOS documentation at w ww .cisco.com for further informat ion on these commands. T.38 Fax The T .
3-25 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI HSI Feature Configuration Support for the H.225 INFORMA TION message is enabled by defaul t.
3-26 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI HSI Feature Configuration Ta b l e 3 - 1 7 presents examples of conf iguration commands th at may be required to implement a particular G.Clear configuration.
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 da ta rates:1 6, 24, 32 and 40 kbit/sec.
3-28 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI HSI Feature Configuration If a non-preferred G.726 d ata rate is selected o ver a higher -preference codec, th e HSI will continue with the call using the non-preferred data rate.
3-29 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI HSI Feature Configuration H245, caps.table[i].entryNo 7261, 7262, … Note Set this p arameter to a unique inte ger val u e prov-add: name=h245, caps.
3-30 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI HSI Feature Configuration H245, caps.table[i].audio. g726-generic.bitOrder 1,2 or 3 Note This f ield is a bitmask of 8 bits, and can take any value from 0.
3-31 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Provisioning the Cisco HSI HSI Feature Configuration Configuring G.729 Annex and G.729 Annex B Ta b l e 3 - 1 8 presents examples of conf iguration commands th at may be requi red to implement a particular confi guration of G.
3-32 Cisco H.323 Signaling Interface User Guide OL-4806-01 Rev. A14 Chapter 3 Prov isioning the Cisco HSI HSI Feature Configuration H245,modes[i].name “g7 29Anne xA” “g729Anne xB” “g729Anne xA wAnne xB” prov-ad d:name=h245,modes[4].name="g729 AnnexA" prov-ad d:name=h245,modes[5].
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Cisco Systems H.323 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Cisco Systems H.323 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Cisco Systems H.323, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Cisco Systems H.323 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Cisco Systems H.323, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Cisco Systems H.323.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Cisco Systems H.323. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Cisco Systems H.323 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
