Support transfer/callforward on 69XX phones, by using different keymodes. Reported by Antonio

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5610 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix: sync default offhookfeat keymode with offhook keymode settings

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5611 43c1dc8c-776e-4df2-8ef1-6e829299be21
Enhancement: Fix SoftKeySetRes message, filling the SoftKeyInfoIndex correctly

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5612 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix: compile failure (related to 69XX commit)

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5613 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix: Changed localnet default to 'internal'

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5614 43c1dc8c-776e-4df2-8ef1-6e829299be21