doh

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@442 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/openzap/src/isdn/Q931api.c

@@ -211,7 +211,9 @@ ie Q931AppendIE( L3UCHAR *pm, L3UCHAR *pi)
 L3INT Q931GetUniqueCRV(Q931_TrunkInfo_t *pTrunk)
 {
 	static L3INT crv={1};
-	return crv++;
+	crv++;
+	if (crv > 32766) crv = 1;
+	return crv;
 }
 
 L3INT Q931InitMesGeneric(Q931mes_Generic *pMes)