--- chan_sip.c  2006-05-24 15:02:43.000000000 +0200
+++ chan_sip_patched.c  2006-05-24 15:05:02.000000000 +0200
 -4441,14 +4441,16 @@
                if (p->redircodecs)
                        capability = p->redircodecs;
        } else {
-               dest.sin_addr = p->ourip;
+               //PATCHED HERE ->>> dest.sin_addr = p->ourip;
+               dest.sin_addr = sin.sin_addr.s_addr !=0 ? sin.sin_addr:p->ourip;
                dest.sin_port = sin.sin_port;
        }

        /* Determine video destination */
        if (p->vrtp) {
                if (p->vredirip.sin_addr.s_addr) {
-                       vdest.sin_port = p->vredirip.sin_port;
+                       //PATCHED HERE ->>> vdest.sin_port = p->vredirip.sin_port;
+                       vdest.sin_addr = vsin.sin_addr.s_addr != 0 ? vsin.sin_addr:p->ourip;
                        vdest.sin_addr = p->vredirip.sin_addr;
                } else {
                        vdest.sin_addr = p->ourip;