Adds new contact binding for particular user..
user address of record sip:email@example.com
contact address - sip:+381243256
possible comment note
long - seconds for which this contact is to remain valid
long - date when the registration was created/updated
- - binding created in this operation
long registrationDate, float qValue, String callId, long cSeq)
Returns set of user that have registered - set contains adress of record
for each user, something like sip:firstname.lastname@example.org
Returns map which contains mapping contactAddress->registrationBinding
for particular user - address of record sip:email@example.com
Updates the specified registration binding.
Removes contact address from user bindings.
Starts the location service
Shutdown the location service