From 85d82e003f9dd3cfbc8733a537746750dbd0e5e0 Mon Sep 17 00:00:00 2001
From: markster <markster@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Wed, 19 Jun 2002 18:53:18 +0000
Subject: Version 0.2.0 from FTP

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@85 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 ztcfg.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'ztcfg.c')

diff --git a/ztcfg.c b/ztcfg.c
index 360654e..bc37ac8 100755
--- a/ztcfg.c
+++ b/ztcfg.c
@@ -332,13 +332,39 @@ int apply_channels(int chans[], char *argstr)
 	return res;
 }
 
+int parse_idle(int *i, char *s)
+{
+	char a,b,c,d;
+	if (s) {
+		if (sscanf(s, "%c%c%c%c", &a,&b,&c,&d) == 4) {
+			if (((a == '0') || (a == '1')) && ((b == '0') || (b == '1')) && ((c == '0') || (c == '1')) && ((d == '0') || (d == '1'))) {
+				*i = 0;
+				if (a == '1') 
+					*i |= ZT_ABIT;
+				if (b == '1')
+					*i |= ZT_BBIT;
+				if (c == '1')
+					*i |= ZT_CBIT;
+				if (d == '1')
+					*i |= ZT_DBIT;
+				return 0;
+			}
+		}
+	}
+	error("CAS Signalling requires idle definition in the form ':xxxx' at the end of the channel definition, where xxxx represent the a, b, c, and d bits\n");
+	return -1;
+}
+
 static int chanconfig(char *keyword, char *args)
 {
 	int chans[ZT_MAX_CHANNELS];
 	int res;
 	int x;
 	int master=0;
+	char *idle;
 	bzero(chans, sizeof(chans));
+	strtok(args, ":");
+	idle = strtok(NULL, ":");
 	res = apply_channels(chans, args);
 	if (res <= 0)
 		return -1;
@@ -372,6 +398,11 @@ static int chanconfig(char *keyword, char *args)
 			} else if (!strcasecmp(keyword, "fxoks")) {
 				sig[x] = "FXO Kewlstart";
 				cc[x].sigtype = ZT_SIG_FXOKS;
+			} else if (!strcasecmp(keyword, "cas") || !strcasecmp(keyword, "user")) {
+				if (parse_idle(&cc[x].idlebits, idle))
+					return -1;
+				sig[x] = "CAS / User";
+				cc[x].sigtype = ZT_SIG_CAS;
 			} else if (!strcasecmp(keyword, "unused")) {
 				sig[x] = "Unused";
 				cc[x].sigtype = 0;
@@ -539,6 +570,8 @@ static struct handler {
 	{ "indclear", chanconfig },
 	{ "clear", chanconfig },
 	{ "unused", chanconfig },
+	{ "cas", chanconfig },
+	{ "user", chanconfig },
 	{ "alaw", setlaw },
 	{ "mulaw", setlaw },
 	{ "deflaw", setlaw },
-- 
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