[asterisk-dev] SIP channel Indicate AST_CONTROL_FLASH support

[Johansson Olle E]

27 dec 2007 kl. 19.54 skrev Kamanashis Roy Shuva:

> Hi,
>
> The patch is not successful adding this feature. I think there is more
> to be added. Or the patch should follow a good design. I mean I am not
> satisfied with this patch anyway.
>
> Here I have found the flash support for sip.
>
> http://www.voip-info.org/wiki/view/SIP+DTMF+Signalling
>
>
This page is describing RFC 2833 DTMF.

> Again, asterisk can accept INFO dtmf flash .. I mean it is in the code
> that when there is
> a info message with "signal=16" it indicates flash.
>
> I hope we will be discussing this upto a solution.

Cisco docs indicate that they only support hook flash in the RTP  
stream. I have not seen any support
of hook flash in SIP INFO.

/O