ARQ Message Information ELement values

Alex Chatilov achatilov at EMAIL.MSN.COM
Wed Aug 4 23:24:12 EDT 1999


Could somebody please guide me to the h323implementors mailing list?

Thank you in advance,
Alex Chatilov
achatilov at msn.com

----- Original Message -----
From: Francois-Xavier KOWALSKI <fxk at TIDWEB.GRENOBLE.HP.COM>
To: <ITU-SG16 at MAILBAG.INTEL.COM>
Sent: Wednesday, August 04, 1999 6:42 AM
Subject: Re: ARQ Message Information ELement values


> Hello Sanjeev,
>
> >>>>> "Sanjeev" == Sanjeev MUDHOLKAR <ssm at CHIPLOGIC.COM> writes:
>
>   Sanjeev> According to my understanding the srcInfo of ARQ and the
>   Sanjeev> sourceAddress of SETUP are not related. Considering case
>   Sanjeev> ii, when you send a ARQ (after receiving SETUP from EP2)
>   Sanjeev> ,the srcInfo will be relevant to EP1 and not to EP2.
>
>   Sanjeev> Correct me I'am wrong.
>
> Sorry, but H.225.0 section 7.11.1 (ARQ fields description) states:
>
> srcInfo: [...] When sending the ARQ to answer a call, srcInfo
> indicates the originator of the call.
>
> Concerning case 2, this means that srcInfo is the address of EP2.
>
> Regards.
>         Fix.
>
> PS: I think this discussion would be better placed on the
> h323implementors mailing list, don't you ?
>
>   Sanjeev> Raghu Nambiath wrote:
>
>   >> Hello everybody..
>   >>
>   >> This is regarding the ARQ message.There are two instances at which an
>   >> enpoint EP1 will send ARQ message to the Gatekeeper.
>   >>
>   >> Case - 1: Needs to send SETUP message to EP2
>   >>
>   >> Case - 2: Received SETUP message from EP2.
>   >>
>   >> In both these case what will be the value for following Information
>   >> elements:
>   >>
>   >> destinationInfo, destCallSignalAddress, destExtraCallInfo,
>   >> srcInfo, srcCallSignalAddress.
>   >>
>   >> I belv these are related to the source and destnation of the Q.931
call.
>   >> Typically in the above case
>   >>
>   >> Case - 1: Source is EP1 and Destination is EP2.
>   >> Case - 2: Source is EP2 and Destination is EP1
>   >>
>   >> In the above case srcInfo is mandatory in ARQ while the corresponding
>   >> related Information Element sourceAddress is optional in the case of
SETUP
>   >> message. Typically in the Case-2: if the EP2 had not provide the
alias
>   >> information, there is no way by which the EP1 can provide the info in
ARQ.
>   >> Pls correct me if Iam wrong on the above mentioned point.
>   >>
>   >> Any help on the above highlighted point will be useful..
>
>
> --
> Francois-Xavier KOWALSKI -- tel:+33.4.76.14.63.27 fax:+33.4.76.14.16.86
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>             mailto:fxk at hptnodur.grenoble.hp.com -- B1N2D1
>      Telecom Engineer/HUGO Project/Project Center/TID/HP Grenoble



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