1. Download 3CXPhone here and install it. We recommend you to use version 6.
2. After successful registration launch the 3CXPhone. To create an account click on "Create Profile".
3. To create a new account click on "New".
4. Under account settings enter the following:
Account name: Your sip number (for example 111111) from your personal account
Extension: Your sip number (for example 111111) from your personal account
ID: Your sip number (for example 111111) from your personal account
Password: Your password from your personal account
External IP: sip.zadarma.com
Account name: Your PBX extension number from your personal account
Extension: Your PBX extension number from your personal account
ID: Your PBX extension number from your personal account
Password: Your password for the PBX extension number from your personal account
External IP: pbx.zadarma.com
5. If settings were configured correctly, your status will become On Hook