Hi, I have some concerns about the changes proposed in this AVD.
1. The AVD adds a new data type called multiplepayloadstream that is intended to allow more then one payload in a stream. According to the ASN.1 you can have different media types in the same logical channel which is not a good practice and would break a lot of implementations. 2. The data type in H.245 open logical channel describe the media type but do not specify the RTP payload format used. There are cases were there is more then one way to build the RTP stream for example in H.263. In the OLC in H2250LogicalChannelParameters there is a RTPPayloadType parameter that describe the RTP payload. If the AVD is used to describe multiple streams there is no way to specify the packetization scheme used. 3. I think that the editor of H.235 will look to see if the proposed AVD allows to specify and change a key for each payload that can be used in the logical channel. I am not an expert on H.235
Thanks Roni Even
********************************************** Roni Even VP Product Planning Polycom Network Systems Tel: +972-3-9251200 Mobile: +972-55-481099 Fax: +972-3-9211571 Email: roni.even@polycom.co.il
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