Settings

Download specific program for your operative system X-Lite 4.0 and install. When installation on first screen  press Next

Confirm the agreement: check box, next

Choose, or use the default route instructions for installing the program, next

Continue installing the program,Install

Conclude installing the program, Finish

After you installing and starting the program  X-Lite 4.0 you can see the program interface. You must click account settings.

Fill fields: Account name, User ID, Display name – Login, password field – your password, in field fore domain you must specify sip.pctel.ru, click Ok. Next move to topology

Choose either the default reserve point auto-defect firewall traversal method using Ice (recommended)

Select the tab advanced. For optimum operation of the program you need to change the following data: register every = 60; minimum time = 20; maximum. Time = 60. For the changes to come into force to press the Ok button