r4392 in commercial.
r4392 in commercial.

Changes to databases:
 * make extensions unique in dialdata_table
 * make usename unuque in sip_buddies
 * default host to dymanic in sip_buddies

git-svn-id: d509836d2146de99decdb45d50219713e3cb0b8c@4461 19bc5d8c-e614-43d4-8b26-e1612bc8e597

RangeNetworks/subscriberRegistry,endaga/subscriberRegistry,RangeNetworks/subscriberRegistry,RangeNetworks/subscriberRegistry,endaga/subscriberRegistry,endaga/subscriberRegistry,endaga/subscriberRegistry,RangeNetworks/subscriberRegistry