--- chan_sip.c	2005-11-26 21:36:11.000000000 +0100
+++ /asterisk_src/chan_sip.c	2005-11-26 14:49:54.000000000 +0100
@@ -3303,13 +3303,23 @@
 	/* Divide fields by NULL's */
 	char *c;
 	int f = 0;
+	int ignore_cr = 0;
 
 	c = req->data;
 
 	/* First header starts immediately */
 	req->header[f] = c;
 	while(*c) {
-		if (*c == '\n') {
+		if (*c == ',') {
+		 ignore_cr = 1;
+		} else if (*c == '\n') {
+		    if (ignore_cr)
+		    {
+		        *c = ' ';
+			ignore_cr = 0;
+		    }
+		    else
+		    {	
 			/* We've got a new header */
 			*c = 0;
 
@@ -3325,10 +3335,14 @@
 			} else
 				f++;
 			req->header[f] = c + 1;
+		    }
 		} else if (*c == '\r') {
 			/* Ignore but eliminate \r's */
-			*c = 0;
-		}
+			if (ignore_cr)
+			 *c = ' ';
+			else
+			 *c = 0;
+		} else ignore_cr = 0;
 		c++;
 	}
 	/* Check for last header */