Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 61638)
+++ channels/chan_sip.c	(working copy)
@@ -6014,7 +6014,7 @@
 		snprintf(tmp, sizeof(tmp), "%d", p->expiry);
 		add_header(resp, "Expires", tmp);
 		if (p->expiry) {	/* Only add contact if we have an expiry time */
-			char contact[256];
+			char contact[384];
 			snprintf(contact, sizeof(contact), "%s;expires=%d", p->our_contact, p->expiry);
 			add_header(resp, "Contact", contact);	/* Not when we unregister */
 		}
@@ -7046,7 +7046,7 @@
 /*! \brief Check Contact: URI of SIP message */
 static void extract_uri(struct sip_pvt *p, struct sip_request *req)
 {
-	char stripped[256];
+	char stripped[BUFSIZ];
 	char *c;
 
 	ast_copy_string(stripped, get_header(req, "Contact"), sizeof(stripped));
@@ -8208,7 +8208,7 @@
 /*! \brief Save contact header for 200 OK on INVITE */
 static int parse_ok_contact(struct sip_pvt *pvt, struct sip_request *req)
 {
-	char contact[250]; 
+	char contact[378]; 
 	char *c;
 
 	/* Look for brackets */
@@ -12238,7 +12238,7 @@
 /*! \brief Parse 302 Moved temporalily response */
 static void parse_moved_contact(struct sip_pvt *p, struct sip_request *req)
 {
-	char tmp[256];
+	char tmp[384];
 	char *s, *e;
 	char *domain;