Index: phapi/phapi.c
===================================================================
--- phapi/phapi.c	(revision 411)
+++ phapi/phapi.c	(revision 412)
@@ -4907,5 +4907,5 @@
 				char * payload_name = ph_get_fixed_payload_name(ca->audio_payload);
 				if(payload_name)
-					osip_strncpy(ca->audio_payload_name, payload_name, sizeof(ca->audio_payload_name, payload_name)-1);
+					osip_strncpy(ca->audio_payload_name, payload_name, sizeof(ca->audio_payload_name)-1);
 			}