Hya,
today i discovered that some directives i've inserted into the asteriks ast_table were lost, after an update (don' t know which).
All the entries regarding NAT, EXTERNIP, LOCALNET and so on, to enable remote extensions simply disapeared.
As i had the external extension working, and after for coincidence updated ios and softphone i did for the last four weeks try to fix the problem on the softphone configs, with not luck, until i looked into the asterisk config to discover my directives were not there.
Would be nice if the updates do not delete the custom entries.
Best regards.