If you encounter problem using H50113 w/ Doorking Access Control System, pls check if you are using it w/ USB 2.0 port and verify if the modem driver version is 22.214.171.124 under device manager.
If not, pls connect your H50113 modem to an USB 2.0 port and update driver to 126.96.36.199 to see if it helpshttp://www.hiroinc.com/articles.php?category_id=4&ap4=2#a92
If it still doesn't work, pls contact Doorking for further questions.
7/7/15 Successfully helping customer Gary L. (501) xxx-xxxx getting
Doorking Access Control System working w/ H50113 after update (roll back) driver from Ver. 188.8.131.52 to 184.108.40.206