diff --git a/openbsc/src/libmgcp/mgcp_network.c b/openbsc/src/libmgcp/mgcp_network.c
index 219d3f9..6e79e60 100644
--- a/openbsc/src/libmgcp/mgcp_network.c
+++ b/openbsc/src/libmgcp/mgcp_network.c
@@ -34,47 +34,12 @@
 
 #include <openbsc/mgcp.h>
 #include <openbsc/mgcp_internal.h>
+#include <openbsc/rtp.h>
 
 #include <openbsc/osmux.h>
 
 #warning "Make use of the rtp proxy code"
 
-/* attempt to determine byte order */
-#include <sys/param.h>
-#include <limits.h>
-#include <time.h>
-
-#ifndef __BYTE_ORDER
-# ifdef __APPLE__
-#  define __BYTE_ORDER __DARWIN_BYTE_ORDER
-#  define __LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN
-#  define __BIG_ENDIAN __DARWIN_BIG_ENDIAN
-# else
-#  error "__BYTE_ORDER should be defined by someone"
-# endif
-#endif
-
-/* according to rtp_proxy.c RFC 3550 */
-struct rtp_hdr {
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-	uint8_t  csrc_count:4,
-		  extension:1,
-		  padding:1,
-		  version:2;
-	uint8_t  payload_type:7,
-		  marker:1;
-#elif __BYTE_ORDER == __BIG_ENDIAN
-	uint8_t  version:2,
-		  padding:1,
-		  extension:1,
-		  csrc_count:4;
-	uint8_t  marker:1,
-		  payload_type:7;
-#endif
-	uint16_t sequence;
-	uint32_t timestamp;
-	uint32_t ssrc;
-} __attribute__((packed));
 
 #define RTP_SEQ_MOD		(1 << 16)
 #define RTP_MAX_DROPOUT		3000