Kees, you were right, http://svn.digium.com/view/asterisk/branches/1.2/channels/chan_sip.c?r1=58115&r2=58579 fixes the issue.
Kees, you were right, http:// svn.digium. com/view/ asterisk/ branches/ 1.2/channels/ chan_sip. c?r1=58115& r2=58579 fixes the issue.