[Asterisk-Users] ftmp header

[Nick Bachmann]

Matt Schulte wrote:

>All,
>
>	We are using a SIP provider that is expecting 0-15 response for
>fmtp. Our CVS Head asterisk server is sending 0-16, I looked up an rfc
>and it stated:
>
>
>RTP Payloads for Telephone Signal Events
>    RFC 2833
>    Henning Schulzrinne, Scott Petrack.
>    May 2000
>
>    Implementation notes:
>
>        * Implementations can support events 0 through 15 (DTMF) by
>simply ignoring the packets, but MUST declare all event numbers that are
>meaningful to it in the fmtp parameter, including 0 through 15
>  
>

How about opening a bug? 

Here's what I see in the source:
/* Indicate we support DTMF...  Not sure about 16, but MSN supports it 
so dang it, we will too... */
                                  snprintf(costr, sizeof costr, 
"a=fmtp:%d 0-16\r\n",

Nick