--- chan_sip.c  2008-07-14 17:54:25.000000000 +0200
+++ chan_sip.c.orig     2008-07-14 17:52:21.000000000 +0200
@@ -11188,7 +11188,6 @@ static void handle_request_info(struct s
        unsigned int event;
        const char *c = get_header(req, "Content-Type");

-       check_via(p, req);
        /* Need to check the media/type */
        if (!strcasecmp(c, "application/dtmf-relay") ||
            !strcasecmp(c, "application/vnd.nortelnetworks.digits")) {
@@ -13430,7 +13429,6 @@ static int handle_request_notify(struct
        char *eventid = NULL;
        char *sep;

-       check_via(p, req);
        if( (sep = strchr(event, ';')) ) {      /* XXX bug here - overwriting string ? */
                *sep++ = '\0';
                eventid = sep;
@@ -13558,7 +13556,6 @@ static int handle_request_options(struct
 {
        int res;

-       check_via(p, req);
        res = get_destination(p, req);
        build_contact(p);

@@ -14448,7 +14445,7 @@ static int handle_request_refer(struct s
                                        /* Chan2: Call between asterisk and transferee */

        int res = 0;
-       check_via(p, req);
+
        if (ast_test_flag(req, SIP_PKT_DEBUG))
                ast_verbose("Call %s got a SIP call transfer from %s: (REFER)!\n", p->callid, ast_test_flag(&p->flags[0], SIP_OUTGOING) ? "callee" : "caller");

@@ -14895,7 +14892,6 @@ static int handle_request_bye(struct sip
 /*! \brief Handle incoming MESSAGE request */
 static int handle_request_message(struct sip_pvt *p, struct sip_request *req)
 {
-       check_via(p, req);
        if (!ast_test_flag(req, SIP_PKT_IGNORE)) {
                if (ast_test_flag(req, SIP_PKT_DEBUG))
                        ast_verbose("Receiving message!\n");