hack_ip_in_contact now generates a IP in the range of Test-Net as stated in RFC 5735 (192.0.2.0/24).
Fix. 'UA.registrator' property was not always being created. Thanks @ibc for reporting
In case null, emptry string, undefined or NaN is passed as parameter value then its default value is applied.
Also print to console the processed value of all the parameters after validating them.
Merge branch 'master' of github.com:versatica/JsSIP
Make up configuration parameter handling
Fix single stun_server parameter check
Merge remote-tracking branch 'upstream/master'