fixes BLINDTRANSFER variable issue, reported by Nikola

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5811 43c1dc8c-776e-4df2-8ef1-6e829299be21
display inbound callerid number on prompt when device has an active channel

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5812 43c1dc8c-776e-4df2-8ef1-6e829299be21