From e7da1c6365c9cc4c3c20c4fef9a6904aea8d29ed Mon Sep 17 00:00:00 2001
From: mattf <mattf@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Wed, 29 Nov 2006 17:31:17 +0000
Subject: Fix for #7860.  Make sure we don't allow channel 16 to be clear if
 it's in E1/CAS mode.

git-svn-id: http://svn.digium.com/svn/zaptel/branches/1.4@1658 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 ztcfg.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'ztcfg.c')

diff --git a/ztcfg.c b/ztcfg.c
index 471ba30..611a347 100644
--- a/ztcfg.c
+++ b/ztcfg.c
@@ -1394,6 +1394,16 @@ int main(int argc, char *argv[])
 						current_state.channo = cc[x].chan | ZT_GET_PARAMS_RETURN_MASTER;
 						if (ioctl(fd, ZT_GET_PARAMS, &current_state))
 							needupdate = 1;
+						else if (current_state.chanpos == 16 &&
+							(cc[x].sigtype & ZT_SIG_CLEAR) && 
+							!(lc[current_state.spanno - 1].lineconfig &
+							(ZT_CONFIG_D4|ZT_CONFIG_ESF|ZT_CONFIG_B8ZS|ZT_CONFIG_CCS))) {
+								fprintf(stderr, 
+									"CAS signalling on span %u conflicts with %s on channel %u.\n",
+									current_state.spanno, 
+									sigtype_to_str(cc[x].sigtype), x);
+								exit(1);
+						}
 					}
 					
 					if (!needupdate) {
-- 
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