diff --git a/modules/ims_registrar_scscf/reply.c b/modules/ims_registrar_scscf/reply.c
index 17022da3f22..5847e7a71ad 100644
--- a/modules/ims_registrar_scscf/reply.c
+++ b/modules/ims_registrar_scscf/reply.c
@@ -93,6 +93,7 @@ static inline unsigned int calc_buf_len(impurecord_t* impurec) {
     int qlen;
     int i=0;
     ucontact_t* c;
+    param_t *tmp;
 
     len = 0;
     while (i<MAX_CONTACTS_PER_IMPU && (c=impurec->newcontacts[i])) {
@@ -111,6 +112,27 @@ static inline unsigned int calc_buf_len(impurecord_t* impurec) {
                         + 1 /* dquote */
                         ;
             }
+            tmp = c->params;
+            while (tmp) {
+                if ((tmp->name.s[0] == 'R' || tmp->name.s[0]=='r') && tmp->name.len == 8 && !memcmp(tmp->name.s+1, "eceived", 7)) {
+                    tmp = tmp->next;
+                    continue;
+                }
+                if ((tmp->name.s[0] == 'Q' || tmp->name.s[0]=='q') && tmp->name.len == 1) {
+                    tmp = tmp->next;
+                    continue;
+                }
+                if ((tmp->name.s[0] == 'E' || tmp->name.s[0] == 'e') && tmp->name.len == 7 && !memcmp(tmp->name.s + 1, "xpires", 6)) {
+                    tmp = tmp->next;
+                    continue;
+                }
+                len += tmp->name.len;
+                if (tmp->body.len > 0) {
+                    len = len + 1/*=*/ + 2/*2 x "*/;
+                    len += tmp->body.len;
+                }
+                tmp=tmp->next;
+            }
         }
 	i++;
     }
@@ -401,6 +423,7 @@ int build_contact(impurecord_t* impurec, contact_for_header_t** contact_header)
     char *p, *cp;
     int fl, len;
     ucontact_t* c;
+    param_t* tmp;
     *contact_header = 0;
     int i=0;
 
@@ -460,6 +483,34 @@ int build_contact(impurecord_t* impurec, contact_for_header_t** contact_header)
                     p += c->received.len;
                     *p++ = '\"';
                 }
+                
+                /* put in the rest of the params except Q and received */
+                tmp = c->params;
+                while (tmp) {
+                    if ((tmp->name.s[0] == 'R' || tmp->name.s[0]=='r') && tmp->name.len == 8 && !memcmp(tmp->name.s+1, "eceived", 7)) {
+                        tmp = tmp->next;
+                        continue;
+                    }
+                    if ((tmp->name.s[0] == 'Q' || tmp->name.s[0]=='q') && tmp->name.len == 1) {
+                        tmp = tmp->next;
+                        continue;
+                    }
+                    if ((tmp->name.s[0] == 'E' || tmp->name.s[0]=='e') && tmp->name.len == 7 && !memcmp(tmp->name.s+1, "xpires", 6)) {
+                        tmp = tmp->next;
+                        continue;
+                    }
+                    *p++ = ';';
+                    memcpy(p, tmp->name.s, tmp->name.len);
+                    p += tmp->name.len;
+                    if (tmp->body.len > 0) {
+                        *p++ = '=';
+                        *p++ = '\"';
+                        memcpy(p, tmp->body.s, tmp->body.len);
+                        p += tmp->body.len;
+                        *p++ = '\"';
+                    }
+                    tmp = tmp->next;
+                }
             }
 	    i++;
         }