[Spce-user] i can't pass dtmf

[pablo umanzor]

Hi,while a call is processed by an ivr system i can't pass dtmf , in
kamailio.cfg nothing happen and the output with ngrep-sip is (while i
pressing a digit):


U 2011/01/10 02:36:47.110361 200.1.0.2:5060 -> 9.8.7.6:5060
SIP/2.0 404 Not Found'
Via: SIP/2.0/UDP 9.8.7.6:5060;branch=0'
To: <sip:200.1.0.2>;tag=74cv5lgvhlhc6lafqu3m'
From: <sip:pinger at sipwise.local>;tag=915eed9'
Call-ID: 6db69307-38595286-945003 at 9.8.7.6'
CSeq: 1 OPTIONS'
Content-Length: 0'
'
where i can get more information about this issue into logs?

regards
pablo umanzor