v3.10.0

fixed bug UrlEncode

v3.9.0

fix unset sip_h_call-info

v3.8.2

WTEL-486

v3.8.1

WTEL-546 SMTP error on go1.8.4

v3.8.0

fix dialer context

v3.7.1

fix sipRedirect

v3.7.0

bug fix

v3.6.3

fix userData

v3.6.2

fix httpRequest timeout

v3.6.1

fix httpRequest timeout