}
if (env == null)
logger.error("envelope=null maybe not connected");
else {
onechannel e = channelset.getenvel().find(Integer.parseInt(c));
if (e != null) {
minor = String.valueOf(e.getminor());
phys = e.getphysicalnum();
// chtype=e.getchtype();
// chname=e.getchname();
sourceindex = String.valueOf(e.getsourceindex());
res = handlechannelchange(c, minor, sourceindex, phys);
} else {
minor = "";
// chtype="";
}