Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 60062)
+++ channels/chan_sip.c	(working copy)
@@ -6480,7 +6480,7 @@
 	}
 	
 	if (!p->sessionid) {
-		p->sessionid = getpid();
+		p->sessionid = random();
 		p->sessionversion = p->sessionid;
 	} else
 		p->sessionversion++;
@@ -6667,7 +6667,7 @@
 
 	/* Set RTP Session ID and version */
 	if (!p->sessionid) {
-		p->sessionid = getpid();
+		p->sessionid = random();
 		p->sessionversion = p->sessionid;
 	} else
 		p->sessionversion++;