[h323plus] H264 PLUGIN in H323Plus

Simon Horne s.horne at packetizer.com
Mon Nov 23 03:03:48 EST 2009

"" is the generic capability identifier in the TCS and OLC
The OLC will have
        dynamicRTPPayloadType = 97
        mediaPacketization = rtpPayloadType {
          payloadDescriptor = oid
Indicating H.241 annex A (RFC 3984 single NAL mode) within RTP frame


From: h323plus-bounces at lists.packetizer.com
[mailto:h323plus-bounces at lists.packetizer.com] On Behalf Of ooi khai chin
Sent: Monday, 23 November 2009 5:44 PM
To: h323plus at lists.packetizer.com
Subject: [h323plus] H264 PLUGIN in H323Plus

Hi All, 
I captured the capability exchange from difference voip software
like(polycom, vcon...), it show only "", which is defined as

1. What is the difference with the others like (default, RFC3984 interleave,
RFC3984 non interleave)?

Another things is that When I use my H.264 Encoder API, it only return me
the encoded data and the encoded length.

2. So, is it considered as single NAL unit? How it can be comply to H.323
since the default MTU value in H.323 is 1400bytes (like fragmentation or

I try to increate the MTU value, but it cause me error.

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