Assign DID Numbers to a P-Series Cloud PBX
This topic describes how to assign DID numbers to an existing P-Series Cloud PBX to associate the PBX with the corresponding shared trunk.
Prerequisites
- You have created shared trunks on Yeastar Central Management. For more information, see the following topics:
- You have added DID numbers to the shared trunks.
- Make sure that the firmware version of P-Series Cloud PBX is 84.19.0.22 or later.
Procedure
- Log in to Yeastar Central Management, go to .
- Click
beside the desired PBX. - In the PBX details page, go to the Assigned DIDs tab.
- Assigned DID numbers to the PBX.

- Click Add.
- In the Shared Trunks drop-down list, select the desired trunk to share with the PBX.
- In the DID drop-down list, select the desired DID numbers to assign to the PBX for inbound call routing.
- Click Save.
Result
-
The trunk automatically appears on the Cloud PBX (Path: ), with an indicator of
showing that it is a shared trunk.
- Any changes made in the trunk in Yeastar Central Management are
automatically synchronized to the PBX. Note:
- Trunk settings managed centrally through Yeastar Central
Management can NOT be modified on PBX. However, PBX
administrators can configure the Inbound Caller ID
Reformatting and Outbound Caller ID settings for
the shared trunk.

- Shared trunks are NOT included in PBX system backups, whether the backup is performed on the PBX or via Yeastar Central Management. After restoring a PBX, you need to reassign shared trunks and the corresponding DID numbers for the PBX in Yeastar Central Management.
- Trunk settings managed centrally through Yeastar Central
Management can NOT be modified on PBX. However, PBX
administrators can configure the Inbound Caller ID
Reformatting and Outbound Caller ID settings for
the shared trunk.