Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 378197)
+++ channels/chan_sip.c	(working copy)
@@ -14680,14 +14680,17 @@
 	/* 1st we pass through all the hops in any Record-Route headers */
 	for (;;) {
 		/* Each Record-Route header */
-		char rr_copy[256];
+		char *rr_copy;
 		char *rr_copy_ptr;
 		char *rr_iter;
+		int rr_len;
 		rr = __get_header(req, "Record-Route", &start);
 		if (*rr == '\0') {
 			break;
 		}
-		ast_copy_string(rr_copy, rr, sizeof(rr_copy));
+		rr_len = strlen(rr) + 1;
+		rr_copy = ast_malloc(rr_len);
+		ast_copy_string(rr_copy, rr, rr_len);
 		rr_copy_ptr = rr_copy;
 		while ((rr_iter = strsep(&rr_copy_ptr, ","))) { /* Each route entry */
 			char *uri = get_in_brackets(rr_iter);
@@ -14718,6 +14721,7 @@
 				}
 			}
 		}
+		ast_free(rr_copy);
 	}
 
 	/* Only append the contact if we are dealing with a strict router */