Figure 20: Provisioning Using Stun; Figure 21: Phone Configuration Using Stun - Grandstream Networks 3CX Configuration Manual

6. Click on OK to save and apply changes. 3CX will prepare a configuration file for the phone with
configured MAC address, model and settings.
7. Access remote phone's web interface, navigate to Maintenance  Upgrade and set following:
Config Upgrade via: Set provisioning protocol (in this example: "HTTPS").
o
Config Server Path: Set provisioning URL (in this example:
o
"gstest.3cx.eu:8001/provisioning/l8g27ctxwm1ye0").
8. Press Save and Apply, and reboot the phone to start provisioning process.
9. Once rebooted, the phone will contact 3CX server to download its configuration file and get
provisioned with assigned extension.
Configuring Grandstream Devices with 3CX Phone System

Figure 20: Provisioning using STUN

Figure 21: Phone Configuration using STUN

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