Re: Cisco TCS in GW mode registration to GnuGK problems

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Dear Jan,


Thank you very much for your answer. I will pass this info to Cisco.

Cheers,
Andras

-----Original Message-----
From: Jan Willamowius [mailto:jan@xxxxxxxxxxxxxx] 
Sent: Tuesday, October 16, 2012 6:01 PM
To: openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
Subject: Re:  Cisco TCS in GW mode registration to GnuGK problems

Hi Andras,

GnuGk doesn't support the terminalAliasPattern element. It would be a nice addition, but this is the first time I see it actually being used and right now its not implemented.

Regards,
Jan

András Kovács wrote:
> Dear Jan, dear All,
> 
> 
> I would like to ask your opinion about RRQ/RCF operation between a Cisco TCS and a GnuGK 3.1. When GW mode is used, TCS sends out and RCF containing a H.323 ID, an E.164 and several gateway wildcard prefixes.
> 
> GnuGk sends back a general RCF message, only confirming the H.323 ID sent by TCS.
> 
> Thus, at the TCS side, the registration is not complete, because TCS expects all the required H.323IDs/E.164s to be confirmed by gatekeeper. Cisco's statement on this, that GnuGK's response is not according to standards.
> 
> What do you think about it?
> 
> In addition, since TCS percieves that registretion is not completely confirmed, it keeps sending out RRQs very frequently, at a rate 1-2x/sec. I think it is not normal. We are currently tracking down this with Cisco dev.
> 
> This is how a TCS RRQ looks like:
> 
> User Datagram Protocol, Src Port: h323gatestat (1719), Dst Port: 
> h323gatestat (1719)
> H.225.0 RAS
>     RasMessage: registrationRequest (3)
>         registrationRequest
>             requestSeqNum: 65464
>             protocolIdentifier: 0.0.8.2250.0.5 (Version 5)
>             0... .... discoveryComplete: False
>             callSignalAddress: 1 item
>                 Item 0
>                     TransportAddress: ipAddress (0)
>                         ipAddress
>                             ip: 91.120.59.239 (91.120.59.239)
>                             port: 1720
>             rasAddress: 1 item
>                 Item 0
>                     TransportAddress: ipAddress (0)
>                         ipAddress
>                             ip: 91.120.59.239 (91.120.59.239)
>                             port: 1719
>             terminalType
>                 vendor
>                     vendor
>                         t35CountryCode: Norway (130)
>                         t35Extension: 1
>                         manufacturerCode: 256
>                     H.221 Manufacturer: Unknown (0x82010100)
>                     productId: Tandberg Content Server 5.0
>                     versionId: 80
>                 gateway
>                     protocol: 1 item
>                         Item 0
>                             SupportedProtocols: h320 (2)
>                                 h320
>                                     supportedPrefixes: 1 item
>                                         Item 0
>                                             SupportedPrefix
>                                                 prefix: dialledDigits (0)
>                                                     dialledDigits: 89
>                 0... .... mc: False
>                 .0.. .... undefinedNode: False
>             terminalAlias: 2 items
>                 Item 0
>                     AliasAddress: h323-ID (1)
>                         h323-ID: TCS
>                 Item 1
>                     AliasAddress: dialledDigits (0)
>                         dialledDigits: 84000
>             endpointVendor
>                 vendor
>                     t35CountryCode: Norway (130)
>                     t35Extension: 1
>                     manufacturerCode: 256
>                 H.221 Manufacturer: Unknown (0x82010100)
>                 productId: Tandberg Content Server 5.0
>                 versionId: 80
>             0... .... keepAlive: False
>             0... .... willSupplyUUIEs: False
>             0... .... maintainConnection: False
>             terminalAliasPattern: 1 item
>                 Item 0
>                     AddressPattern: wildcard (0)
>                         wildcard: h323-ID (1)
>                             h323-ID: TCSgw%
>             supportsAltGK: NULL
>             featureSet
>                 .... 1... replacementFeatureSet: True
>                 supportedFeatures: 2 items
>                     Item 0: Signalling Traversal
>                         FeatureDescriptor
>                             id: standard (0)
>                                 standard: 18 - Signalling Traversal
>                     Item 1
>                         FeatureDescriptor
>                             id: nonStandard (2)
>                                 nonStandard: b876c291-c552-11da-95f4-000cf13eb3fd
>             genericData: 1 item
>                 Item 0
>                     GenericData
>                         id: nonStandard (2)
>                             nonStandard: 20df8903-596f-4519-9f27-73c0a59274af
>                         parameters: 1 item
>                             Item 0
>                                 parameters item
>                                     id: nonStandard (2)
>                                         nonStandard: 20df8903-596f-4519-9f27-73c0a59274af
>                                     content: raw (0)
>                                         raw: 3c617373656e743e3c617373656e745f747970653e636c69...
>     [The response to this request is in frame 15]
> 
> This is what GnuGK answers:
> 
> User Datagram Protocol, Src Port: h323gatestat (1719), Dst Port: 
> h323gatestat (1719)
> H.225.0 RAS
>     RasMessage: registrationConfirm (4)
>         registrationConfirm
>             requestSeqNum: 65464
>             protocolIdentifier: 0.0.8.2250.0.5 (Version 5)
>             callSignalAddress: 1 item
>                 Item 0
>                     TransportAddress: ipAddress (0)
>                         ipAddress
>                             ip: 91.120.59.228 (91.120.59.228)
>                             port: 1720
>             terminalAlias: 1 item
>                 Item 0
>                     AliasAddress: h323-ID (1)
>                         h323-ID: TCS
>             gatekeeperIdentifier: TC-GK
>             endpointIdentifier: 3846_tcgk
>             timeToLive: 30
>             0... .... willRespondToIRR: False
>             0... .... maintainConnection: False
>             featureSet
>                 .... 0... replacementFeatureSet: False
>                 supportedFeatures: 1 item
>                     Item 0: Signalling Traversal
>                         FeatureDescriptor
>                             id: standard (0)
>                                 standard: 18 - Signalling Traversal
>     [This is a response to a request in frame 14]
>     [RAS Service Response Time: 0.006811000 seconds]
> 
> 
> Thanks.
> 
> Andras Kovacs

--
Jan Willamowius, jan@xxxxxxxxxxxxxx, http://www.gnugk.org/

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