PSTN Trunk

PSTN trunks allow you to forward incoming calls through Direct Inward Dialing (DID) to the Public Switched Telephone Network (PSTN).

Note

Incoming calls forwarded to a PSTN trunk are charged per minute. The rate and availability depend on the destination PSTN phone number.

Create PSTN Trunk

  1. To create a PSTN trunk, go to the Trunks section, select Voice IN, and click Create New, then select PSTN Trunk.

Creating a new PSTN Trunk

Fig. 1 Creating a new PSTN Trunk

  1. The Create PSTN Trunk page will open. Enter the following details:

  • Friendly Name: A name to identify the trunk.

  • PSTN Phone Number: The destination number to which calls will be forwarded.

PSTN Trunk settings

Fig. 2 PSTN Trunk settings

  1. (Optional) The Assign Trunk to All DIDs option allows you to automatically assign this PSTN trunk to all your DIDs.

Warning

Enabling Assign trunk to all DIDs will assign the trunk to all of your DID numbers, overwriting any existing trunk configurations.

Assigning trunk to all DIDs

Fig. 3 Assigning trunk to all DIDs

  1. To create the PSTN trunk, click Check Rate & Availability to view the per-minute PSTN rate. Next, click Submit to finalize the trunk creation.

Note

The per-minute rate depends on the destination number. For detailed pricing information, contact customer.care@didww.com.

Completing the PSTN trunk configuration

Fig. 4 Completing the PSTN trunk configuration

  1. Assign the trunk to your phone number(s). For detailed instructions, refer to the guide below:

How to Assign the Trunk

This guide provides step-by-step instructions to assign the PSTN trunk to your phone number(s).

Assign Voice Trunk

Edit PSTN Trunk

To edit an existing PSTN trunk, locate the trunk in the list, click the Actions button button, and select Edit.

Actions button to edit a PSTN Trunk

Fig. 5 Actions button

Delete PSTN Trunk(s)

To delete a single PSTN trunk, locate the trunk in the list, click the Actions button button, and select Delete.

In the confirmation pop-up window, click Delete to remove the trunk.

Deleting Multiple PSTN Trunks

To delete multiple trunks, you can use the Batch Actions:

  1. Select the trunks you want to delete.

  2. Click Batch Actions and then select Delete Trunk(s).

  3. A Delete Trunk(s) confirmation pop-up will appear. If none of the selected trunks are assigned to DID numbers, clicking Delete will remove the selected trunks.

Note

Trunks assigned to DID numbers or in use cannot be deleted.

Actions button to delete a PSTN Trunk

Fig. 6 Actions button

Additional Information

Assign trunks to DID numbers

Understand how to configure DID numbers with trunks and trunk groups for routing inbound calls.

Assign Voice Trunk
Create a SIP trunk

Create and configure SIP trunks for inbound calls, set transport protocols, authentication, media options, and more.

SIP Trunk