Binary Encoding of H.245 Related Properties given in Table C/H.248

Muhammad Mukarram Bin Tariq mmukarrams at YAHOO.COM
Mon Apr 30 13:26:10 EDT 2001


Thankyou for the detailed answer.

H.248 Annex C.12 clearly mentions that only the OLC strucuture would be encoded
in the as the Value in TLV structure but what about the
H223LogicalChannelParameters or
H225LogicalChannelParameters or others mentioned in the table C.2/H.248

Is it that only the H225LogicalChannelParameters structure will be encoded or
the entire H.245 message "MultimediaSystemControlMessage"  has to be encoded.

Thanks,

Muhammad Mukarram Bin Tariq

--- Christian Groves <Christian.Groves at ERICSSON.COM> wrote:
> G'Day,
>
> The H.248/Megaco binary syntax uses BER. Annex C specifies the values of
> TLV for this encoding. However the value of a property may actually be
> encoded in PER. So thus in the OLC case its the PER encoding of the OLC
> structure.
>
> Christian
>
> Tom-PT Taylor wrote:
> >
> > H.248 Annex C uses BER.
> >
> > > -----Original Message-----
> > > From: Muhammad Mukarram Bin Tariq [mailto:mmukarrams at YAHOO.COM]
> > > Sent: Monday, April 16, 2001 6:53 PM
> > > To: ITU-SG16 at MAILBAG.INTEL.COM
> > > Subject: Binary Encoding of H.245 Related Properties given in Table
> > > C/H.248
> > >
> > >
> > > Dear All,
> > >
> > > My question is regarding the encoding of the H.245 related
> > > properties listed in
> > > Table C/H.248. I presume that all these property values are
> > > encoded according
> > > to PER. Also that the entire MultimediaSystemControlPDU is
> > > encoded, instead of
> > > just the message structure. e.g to encode an OLC, we should
> > > encode the entire
> > > MultimediaSystemControlPDU that contains the OLC message, or
> > > just the OLC
> > > message structure.
> > >
> > > I am asking this question because in the presence of "Tags"
> > > it is quite
> > > possible to live without encoding the entire
> > > MultimediaSystemControlPDU.
> > >
> > > Regards,
> > >
> > > Muhammad Mukarram Bin Tariq
> > >
> > >
> > >
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