Problems with sending RFC2833 DTMF

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On 01/13/2011 01:22 PM, R?gis Montoya wrote:
> Thanks for sharing :)
>
> Indeed sounds a good candidate. I changed it in my config_site.h and
> I'll keep you in touch about users feedback.
>
> As it was introduced by revision 3345 :
> (http://trac.pjsip.org/repos/changeset/3345/)
> I'm wondering if there is not something else to change :
> PJMEDIA_RTP_PT_START has been change to (PJMEDIA_RTP_PT_DYNAMIC-1),
> instead of 102.
>
> If we change telephone event type to 101, we may go out of the limits of
> dynamic payload type.
> Why dynamic payload type not computed when building SDP? (I'm not sure
> that's possible but as far as I understood reading SDP docs it should be).
> Cause most of the time users/device will not send SDP offers with a long
> choice but pjsip will probably support more and more codecs. And having
> a static list may break the 127 limit really quickly.
> Or at least in codecs maybe it could be interesting to add some
> conditions to defs. (For example PJMEDIA_HAS_INTEL_IPP or PASSTHROUGH
> for AMR and so on).
>

RFC2833 defines telephone-event as a dynamic payload type (section 4.4) 
thus it should work fine with any number >=96. If it doesn't, then the 
other endpoint is probably doing something wrong.


-- 
Sa?l Ibarra Corretg?
AG Projects



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