Hi Munish,

>Hi Christer..
>Another call scenerio in which INFO can be used before the call is established
>is..
>For a Gateway - Gateway call
>Overlap dialing from ISUP(ETSI) - SIP(T) , INFO message might contain
>embedded(tunneled) "SAM" message (more digits), which needs to be transmitted
>just after sending INVITE. This might happen even before it has received 18x.

Yes, it COULD be done that way, but it is not the way it's defined to be
done in SIP. Please have a look at the draft, where additional INVITEs
are sent (instead of INFOs), I mentioned in an earlier mail.

Regards,

Christer Holmberg
Ericsson Finland
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