Patrick Kuo c6f01dc274 set network registration poll interval via http cache control header (#434) (#2445) (#2471)
* set network registration poll interval via http cache control header from the server side

* default poll interval to 10 seconds if cache header not found

* address PR issues

* address PR issues

(cherry picked from commit dca8699)

(cherry picked from commit 258b562)
2018-02-06 14:35:06 +00:00
..