add_caller_identity_for_pstn: Make sure we remove any caller-id if no User was found, problem noted by Magnus Ahltorp.
add_caller_identity_for_pstn: Make sure we remove any caller-id if no User was found, problem noted by Magnus Ahltorp.

git-svn-id: 3f662d0c7823f96a484d6a9a7c90f2d7866b6747@1498 e454d3dc-12ff-0310-9b8b-94264392205f

bernardd/yxa,bernardd/yxa,bernardd/yxa,bernardd/yxa