ARQ Message Information ELement values

SSMudholkar ssm at CHIPLOGIC.COM
Wed Aug 4 09:00:14 EDT 1999


Hi raghu,
     According to my understanding the srcInfo of ARQ and the
sourceAddress of SETUP are not related. Considering case ii,
when you send a ARQ (after receiving SETUP from EP2) ,the
srcInfo will be relevant to EP1 and not to EP2.

Correct me I'am wrong.

-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..
>
> Thanks
>
> Raghu
>
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