[SIPForum-discussion] RTP media flow: voice&video

Raj rajasekhar.l at gmail.com
Fri Apr 25 05:19:54 UTC 2008


RTP supports various types of payloads(audio, video, text or data)

*http://www.cs.columbia.edu/~hgs/rtp/

*See that link

--raj

On Fri, Apr 25, 2008 at 1:02 AM, Gunnar Hellstrom <
gunnar.hellstrom at omnitor.se> wrote:

> There is at least one more medium that make use of RTP. That is real-time
> text for conversational purposes. Its RTP payload is defined in RFC 4103.
> The data is Unicode UTF-8 coded text according to ITU-T T.140 transmitted
> time-sampled in 300 ms samples.
>
> It is intended to be included in multimedia calls, preferrably together
> with
> video and audio, to form Total Conversation or Multimedia Telephony.
>
> It is declared in sdp as text/t140 and text/red
>
> Other data RTP packetisations are e.g. timed text, and I think also remote
> device control is ready.
>
> /Gunnar
>
> -----Original Message-----
> From: discussion-bounces at sipforum.org
> [mailto:discussion-bounces at sipforum.org] On Behalf Of Mario
> Sent: Thursday, April 24, 2008 5:22 PM
> To: discussion at sipforum.org
> Subject: [SIPForum-discussion] RTP media flow: voice&video
>
> Hi,
>
> Can anyone tell me if a RTP media flow can be video, voice and data or only
> video and voice can be transported over RTP?
>
> Thanks in advance for your help,
> Best Regards,
> Mario
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-- 
-Raaz
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