Step 2. Restore 3CX Backup on Yeastar Phone System
Upload 3CX backup and restore Yeastar Phone System from the backup.
Important: If you have provisioned phones via
SBC / Router phone on 3CX and need the phones to be auto-provisioned with the Software
Edition after migration, you need to configure network for remote SIP access
by Yeastar FQDN or Public IP and Ports on Software Edition before
restoring.
Requirements for Yeastar phone system
| Item | Requirement |
|---|---|
| Mode | Software Edition or Cloud Edition |
| Version | 83.16.0.70 /
84.16.0.70 |
| Environment | New phone system or after a factory reset |
Procedure
- Log in to PBX web portal, go to .
- Upload the 3CX backup.

- Click Upload.
- Click Browse to select the 3CX backup.
- Click Upload.
- Restore Yeastar Phone System from 3CX backup.

- Click
beside the 3CX backup.A window pops up for confirmation.
- On the Prioritize Onsite
Proxy for Auto Provisioning option, decide whether
to prioritize using the Yeastar Onsite Proxy for auto provisioning,
and select the desired Onsite Proxy instance as needed.Note: This option is available only when there is at least one Onsite Proxy instance on the Yeastar PBX.
If set, for phones that were originally provisioned via Local LAN / VPN method in 3CX, Yeastar PBX will try to provision the phones via the specified Onsite Proxy first.
- Click OK to proceed.
- Click
- Reboot Yeastar Phone System to make the configurations take effect.

Result
Yeastar Phone System is restored from 3CX backup.