To begin with, you should create users for the akuvoxdevices that you will use your project. After this process you should log inthe akuvox devices' web gui. At this point, you should click account>basic and fill out the part of register name, user name and password according to users that you created in sip server. Besides, you fill out the part of display name and display label for the devices' names such as the backyard doorphone, frontdesk phone or entrance doorhpone. Finally, After you write sip server ip adress to the part of server ip of sip server 1 and make ‘enabled’ the part of account active, you click the submit. If register words appear the part of status, the device has registered succesfully.