Cisco gateways can detect DTMF at random if you have kids screaming or loud noises in the background... very unreliable.
/b
On Jan 13, 2010, at 1:36 PM, Dan wrote:
Sorry, I should have made that more clear, this is using 2833. As I mentioned tcpdump shows all the digits coming through as DTMF events on the RTP stream (and all the correct DTMF digits are coming through).