From: Stefan Knoblich <stkn@freeswitch.org>
Date: Tue, 30 Jun 2009 09:42:10 +0000 (+0000)
Subject: Fix encoding of Call State IE, Q.931 (05/98) 4.5.7: bit 8 of octet 3 is part of the... 
X-Git-Tag: v1.0.6~38^2~139
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c6ffbf13149f62b009310b3b425bb3e2a9f02d3;p=thirdparty%2Ffreeswitch.git

Fix encoding of Call State IE, Q.931 (05/98) 4.5.7: bit 8 of octet 3 is part of the coding standard

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@751 a93c3328-9c30-0410-af19-c9cd2b2d52af
---

diff --git a/libs/openzap/src/isdn/Q931ie.c b/libs/openzap/src/isdn/Q931ie.c
index 61ffc3dcc1..7755e2cbaa 100644
--- a/libs/openzap/src/isdn/Q931ie.c
+++ b/libs/openzap/src/isdn/Q931ie.c
@@ -519,7 +519,7 @@ L3INT Q931Uie_CallState(Q931_TrunkInfo_t *pTrunk, Q931mes_Generic *pMsg, L3UCHAR
 	pie->IEId = IBuf[Octet++];
 
 	/* Octet 2 */
-	IESize = IBuf[Octet++]; 
+	IESize = IBuf[Octet++];
 
 	/* Octet 3 */
 	pie->CodStand  = (IBuf[Octet + Off] >> 6) & 0x03;
@@ -557,7 +557,7 @@ L3INT Q931Pie_CallState(Q931_TrunkInfo_t *pTrunk, L3UCHAR *IBuf, L3UCHAR *OBuf,
 	OBuf[(*Octet)++] = Q931ie_CALL_STATE;
 	li = (*Octet)++; /* remember length position */
 
-	OBuf[(*Octet)++] = 0x80 | (pIE->CodStand<<6) | pIE->CallState;
+	OBuf[(*Octet)++] = (pIE->CodStand << 6) | (pIE->CallState & 0x3f);
 
 	OBuf[li] = (L3UCHAR)((*Octet) - Beg) - 2;
 	return rc;